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Debian Stable Updates Announcement SUA 283-1         https://www.debian.org/
[email protected]                           Jonathan Wiltshire
July 7th, 2026
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Upcoming Debian 13 Update (13.6)

An update to Debian 13 is scheduled for Saturday, July 11th, 2026. As of now
it will include the following bug fixes. They can be found in
"trixie-proposed-updates", which is carried by all official mirrors.

Please note that packages published through security.debian.org are not
listed, but will be included if possible.

Testing and feedback would be appreciated. Bugs should be filed in the
Debian Bug Tracking System, but please make the Release Team aware of them
by copying "[email protected]" on your mails.

The point release will also include a rebuild of debian-installer.

Miscellaneous Bugfixes
----------------------

This stable update adds a few important corrections to the following
packages:

  Package                    Reason
  -------                    ------

  apache2                    Fix use-after-free issues [CVE-2026-29167
                             CVE-2026-48913]; fix cross-site scripting issue
                             [CVE-2026-29170]; fix buffer overflow issues
                             [CVE-2026-34355 CVE-2026-34356 CVE-2026-42536];
                             fix denial of serice issues [CVE-2026-42535
                             CVE-2026-44186 CVE-2026-49975]; fix out of
                             bounds read issues [CVE-2026-43951
                             CVE-2026-44185]; fix file read issue
                             [CVE-2026-44119]; fix buffer underwrite issue
                             [CVE-2026-44631]

  archlinux-keyring          Update keys

  awstats                    Prevent freezing on keyword stat

  base-files                 Update for the point release

  beets                      Fix XSS vulnerability [CVE-2026-42052]

  calibre                    Fix unsafe e-book extraction and resource path
                             handling [CVE-2026-30853 CVE-2026-33206];
                             prevent e-book viewer local file reads and
                             SSRF/exfiltration [CVE-2026-33205]; avoid
                             unsafe catalog rule evaluation; correct XPath
                             and SQL query handling; fix reader background
                             endpoint path normalisation; improve exception
                             diagnostics

  cdebootstrap               Rebuild with updated xz-utils

  chrony                     Ensure that if-up/down hook scripts exit
                             successfully

  ckermit                    Block remote control of the local kermit by
                             default [CVE-2025-68920]; disable unnecessary
                             OpenSSL version check

  composer                   Fix support for new GitHub token format
                             [CVE-2026-45793]

  courier                    Fix webadmin paths to imapd and imapd-ssl

  curl                       Fix bearer token redirect leaks [CVE-2025-14524
                             CVE-2026-3783]; correct OpenSSL CA cache reuse
                             [CVE-2025-14819]; fix HTTP Negotiate and proxy
                             connection reuse [CVE-2026-1965 CVE-2026-3784
                             CVE-2026-5545]; prevent clear-text STARTTLS
                             connection reuse [CVE-2026-4873]; fix SMB use-
                             after-free and wrong share reuse [CVE-2026-3805
                             CVE-2026-5773]; clear redirected
                             host/proxy/netrc credentials [CVE-2026-6253
                             CVE-2026-6429]; prevent stale cookie leaks
                             [CVE-2026-6276]; clear proxy Digest state when
                             switching proxies [CVE-2026-7168]

  dar                        Rebuild with updated libgcrypt20, openssl, curl

  dcmtk                      Fix NULL pointer dereference issues
                             [CVE-2022-4981 CVE-2025-14841]; fix memory
                             corruption issues [CVE-2025-2357 CVE-2025-9732
                             CVE-2025-14607]; fix command injection issue
                             [CVE-2026-5663]; fix buffer overflow issues
                             [CVE-2026-10194 CVE-2026-12805]

  debusine                   Enforce file upload permissions; restrict
                             artifact relation creation/deletion
                             [CVE-2026-11852]; harden sbuild repository
                             command quoting; reject unsafe .dsc/.changes
                             checksum paths [CVE-2026-11853]

  deepdiff                   Fix class pollution issue [CVE-2025-58367]; fix
                             denial of service issue [CVE-2026-33155]

  dhcpcd                     Fix memory safety issues [CVE-2025-70102
                             CVE-2026-56113 CVE-2026-56114]; fix IPv6 Router
                             Advertisement information leakage
                             [CVE-2026-56116]; correct control socket
                             lifetime handling [CVE-2026-56117]

  distrobuilder              Rebuild with updated incus

  dolphin                    Fix sandbox escape issue [CVE-2026-41525]

  errands                    Fix verification of TLS certificates for CalDAV
                             servers [CVE-2025-71063]

  execnet                    Disable unreliable build-time tests

  fldigi                     Force LC_NUMERIC=C.UTF-8 to use proper decimal
                             separator in API and ADIF log files

  freecad                    Fix fanuc post processor; fix build failure on
                             arm64

  fwupd                      Enable UEFI CA/db/KEK updates for the 2026
                             Secure Boot certificate transition; fix UEFI
                             PK/KEK/dbx enumeration; fix Thunderbolt
                             controller deployment; correct firmware update
                             regressions; update fwupd hardware support and
                             tests

  gambas3                    Fix Qt component loading

  gdown                      Fix arbitray file write issue [CVE-2026-40491]

  geoip                      Reinstate generator scripts, relied upon by
                             geoip-database

  geoip-database             Revert to a DFSG-compatible version

  giflib                     Fix memory corruption issues [CVE-2026-23868
                             CVE-2026-26740]

  gimp                       Fix integer overflow issues [CVE-2026-4154
                             CVE-2026-40915]

  gnupg2                     Rebuild with updated libgcrypt20

  gnustep-sqlclient          Remove Multi-Arch: same

  graphite2                  Fix out-of-bounds write [CVE-2026-50593]

  horizon                    Fix escaping of special characters in project

  ironic                     Fix credential forwarding from configuration
                             molds [CVE-2026-42997]; fix IPMI console
                             command injection [CVE-2026-42510]; sandbox
                             kickstart template rendering [CVE-2026-44916];
                             prevent conductor thread exhaustion from file
                             special devices [CVE-2026-44919]; restrict
                             unsafe file image paths; improve image download
                             validation and checksumming; correct Redfish
                             power, boot and firmware workflows; fix
                             inspection rule validation and hook failures;
                             avoid stuck service/deploy states

  isc-kea                    Fix denial of service issue [CVE-2026-3608]

  isenkram                   Handle usr-merge migration in update-fw-list;
                             update generated firmware lists

  keystone                   Fix behaviour of user_enabled_invert
                             [CVE-2026-40683]; prevent unauthorized EC2
                             credential creation and deletion
                             [CVE-2026-33551]

  libapache-session-browseable-perl
                             Improve entropy source [CVE-2026-8503]

  libass                     Fix out of bounds read and write issues

  libbytes-random-secure-perl
                             Fix incorrect usage of seed in PRNG
                             [CVE-2026-11625]

  libcaca                    Prevent undefined behaviour in overflow check
                             [CVE-2026-42046]

  libcrypt-pbkdf2-perl       Change default hash algorithm to HMAC-SHA256
                             and default iterations to 600,000
                             [CVE-2026-9641]; generate salts using
                             Crypt::URandom [CVE-2026-9638]; use a constant-
                             time comparison in `validate` to avoid timing
                             attacks [CVE-2017-20240]

  libcrypt-urandom-perl      Fix buffer overflow issue [CVE-2026-2474]

  libhtml-parser-perl        Fix heap-use-after-free in _decode_entities
                             [CVE-2026-8829]

  libnet-cidr-lite-perl      Fix IP/CIDR parser validation: reject non-ASCII
                             digits and trailing newlines [CVE-2026-55190];
                             reject zero-padded CIDR masks [CVE-2026-45191]

  libreoffice                Gracefully handle failure in graphite2

  libslirp                   Fix memory disclosure issue [CVE-2026-9539]

  libtasn1-6                 Fix buffer overflow issue [CVE-2025-13151]

  libvncserver               Fix buffer overflow and out-of-bounds write
                             [CVE-2026-44988 CVE-2026-50538]

  libxml-libxml-perl         Fix out-of-bounds read [CVE-2026-8177]

  libxml2                    Fix RelaxNG include recursion limits
                             [CVE-2026-0989]; prevent XML and SGML catalog
                             recursion/resource exhaustion [CVE-2025-8732
                             CVE-2026-0990 CVE-2026-0992]; fix xmllint shell
                             memory leak [CVE-2026-1757]; correct XML writer
                             and Schematron error-path leaks; avoid RelaxNG
                             validation use-after-free; update regression
                             tests

  libxpm                     Fix out of bounds read issue [CVE-2026-4367]

  linuxcnc                   Sanitize module names

  lxml-html-clean            Fix filter bypass issue [CVE-2026-28348]; fix
                             tag injection issue [CVE-2026-28350]

  mariadb                    New upstream stable release; fix code execution
                             issues [CVE-2026-44168 CVE-2026-48163
                             CVE-2026-48165]; fix authorization bypass
                             [CVE-2026-44169]; fix shell interpolation
                             vulnerability [CVE-2026-44170]; fix path
                             traversal issue [CVE-2026-44171]; fix SQL
                             injection issue [CVE-2026-44172]; fix
                             incomplete privilege check issue
                             [CVE-2026-44173]; fix "Illegal mix of
                             collations" error; fix "Mroonga hangs on
                             invalid index flag"; fix crash in
                             information_schema.table_constraints

  mesa                       Fix WebGPU/SPIR-V allocation handling
                             [CVE-2026-40393]

  miniupnpd                  Fix integer underflow issue [CVE-2026-5720]

  modsecurity                Prevent denial of service in hexDecode handling
                             [CVE-2026-30923]; prevent denial of service in
                             SSN/CPF/SVNR verification [CVE-2026-42268]

  mutt                       Fix buffer truncation issues [CVE-2026-43859
                             CVE-2026-43860 CVE-2026-43861]; fix mishandling
                             of imap_auth_gss security level
                             [CVE-2026-43862]; fix denial of service issue
                             [CVE-2026-43863]; fix NULL pointer dereference
                             issue [CVE-2026-43864]

  mxml                       Fix out-of-bounds read [CVE-2026-5037]

  nbconvert                  Fix arbitrary file write issue [CVE-2026-39377];
                             fix arbitrary file read issue [CVE-2026-39378]

  neutron                    Fix tagging policy bypass

  nss                        Improve handling of escape sequences in
                             pk11uri_ParseAttributes [CVE-2026-12318]

  ojalgo                     Reduce frequency of built-time test failures

  opencc                     Fix out-of-bounds read issue [CVE-2025-15536]

  openslide                  Fix possible code execution issue [CVE-2026-48977]

  php-guzzlehttp-psr7        Fix Host authority validation [CVE-2026-48998];
                             reject control characters in URI hosts
                             [CVE-2026-49214]; harden ServerRequest globals
                             handling; normalise global header values;
                             encode literal plus signs in query helpers

  php-league-csv             Fix build time test with PHP >=8.4.14

  pillow                     Followup fix for CVE-2026-42310

  poco                       Fix segmentation fault [CVE-2025-6375]

  poetry                     Fix arbitrary file write issue [CVE-2026-34591]

  poppler                    Fix invalid signature creation issue

  postfix                    New upstream stable release; fix denial of
                             service issue [CVE-2026-43964]; keep daemon
                             running during upgrades

  protobuf                   Fix parser recursion limits [CVE-2024-7254
                             CVE-2025-4565 CVE-2026-0994 CVE-2026-6409]

  psd-tools                  Fix denial of service issue [CVE-2026-27809]

  pupnp                      Fix SSRF port confusion issue [CVE-2026-41682]

  pymdown-extensions         Fix regular expression-based denial of service
                             issue [CVE-2025-68142]

  pyopenssl                  Fix handling of exceptions and connection
                             cancelling [CVE-2026-27448]; fix buffer
                             overflow in DTLS cookie callback
                             [CVE-2026-27459]

  pytest-httpbin             Disable unreliable build-time test

  python-daphne              Fix denial of service issue [CVE-2026-44545];
                             fix header injection issue [CVE-2026-44546]

  python-django              Update test suite following changes in python3.13

  python-dynaconf            Fix Server-Side Template Injection issue
                             [CVE-2026-33154]

  python-grpc-tools          Fix TypeError in command.build_package_protos

  python-handy-archives      Fix end of central diretory locator for Zip64

  python-idna                Fix denial of service issue [CVE-2026-45409]

  python-iniparse            Fix race condition in build-time tests

  python-jwcrypto            Fix denial of service issue [CVE-2026-39373]

  python-markdown            Adapt to changes in Python's html.parser module

  python-marshmallow         Fix denial of service issue [CVE-2025-68480]

  python-memray              Fix cross-site scripting issue [CVE-2026-32722]

  python-virtualenv          Fix time-of-check / time-of-use issues
                             [CVE-2026-22702]

  python-webob               Fix open redirect issue [CVE-2026-44889]

  python-xmltodict           Fix XML injectin issue [CVE-2025-9375]

  python3.13                 Fix a crash in SNI callback when the SSL object
                             is gone; fix reference leaks in ssl.SSLContext
                             objects; avoid garbage collecting objects too
                             early when sharing __dict__; fix "CR/LF bytes
                             were not rejected by HTTP client proxy tunnel
                             headers or host" [CVE-2026-1502]; fix denial of
                             service issues [CVE-2026-3276 CVE-2026-9669];
                             fix insufficient escaping issue
                             [CVE-2026-6019]; fix path traversal issue
                             [CVE-2026-7774]; fix server-side request
                             forgery issue [CVE-2026-8328]

  qemu                       New upstream stable release; security fixes
                             [CVE-2024-6519 CVE-2026-2243 CVE-2026-3195
                             CVE-2026-3196 CVE-2026-3842 CVE-2026-3886
                             CVE-2026-3890 CVE-2026-41435 CVE-2026-41436
                             CVE-2026-41437 CVE-2026-41438 CVE-2026-41439
                             CVE-2026-41440 CVE-2026-5744 CVE-2026-5761
                             CVE-2026-5763 CVE-2026-6502 CVE-2026-8341
                             CVE-2026-48002 CVE-2026-48003 CVE-2026-48004
                             CVE-2026-48914 CVE-2026-48915 CVE-2026-6425
                             CVE-2026-8343]

  qtmir                      Fix Lomiri rendering, scaling, focus handling,
                             and session crash issues; correct stale window
                             and dead surface cleanup; ensure Xwayland
                             applications inherit DISPLAY; improve Asahi
                             Linux rendering provider selection

  rauc                       Fix improper signing of large bundles
                             [CVE-2026-34155]

  resource-agents            Fix syntax error

  rhino                      Fix denial of service issue [CVE-2025-66453]

  rlottie                    Fix out-of-bounds read issue [CVE-2026-10305];
                             fix denial of service issues [CVE-2026-47319
                             CVE-2026-47320]

  rsync                      Reject excessively long HTTP proxy response
                             lines [CVE-2026-45232]

  rtl-433                    Fix buffer overflow issue [CVE-2025-34450]

  ruby-css-parser            Fix validation of HTTPS certificates for remote
                             CSS [CVE-2026-44312]

  rust-time                  Fix denial of service [CVE-2026-25727]

  samba                      New upstream stable release

  shim                       New upstream release; build with default gcc;
                             set SBAT revocation level to 2025021800

  shim-helpers-amd64-signed  Update to shim 16.1-2~deb13u1

  shim-helpers-arm64-signed  Update to shim 16.1-2~deb13u1

  shim-signed                Ensure Secure Boot compatibility with 2023
                             Microsoft UEFI CA; check for likely boot issues
                             before installation; combine and verify
                             multiple shim signatures; update signed shim
                             binaries

  skanpage                   Fix data leakage issue [CVE-2025-55174]

  smartdns                   Fix buffer overflow issue [CVE-2026-1425]

  squirrel3                  Fix sandbox escape [CVE-2021-41556]

  sshfs-fuse                 Add contain_symlinks option to prevent symlink
                             escape attacks [CVE-2026-47187]; reject
                             hostname option injection via bracketed mount
                             source [CVE-2026-48711]

  starman                    Fix request smuggling issue [CVE-2026-40560]

  symfony                    Security update

  tigervnc                   Prevent other users reading x0vncserver screen
                             [CVE-2026-34352]

  user-mode-linux            Rebuild with updated linux

  vitrage                    Fix remote code execution vulnerability
                             [CVE-2026-28370]

  wireless-regdb             New upstream stable release; update regulatory
                             information for several countries

  wireshark                  New upstream stable release; fix denial of
                             service issue [CVE-2026-9759]

  xz-utils                   Fix buffer overflow issue [CVE-2026-34743]


A complete list of all accepted and rejected packages together with
rationale is on the preparation page for this revision:

  <https://release.debian.org/proposed-updates/stable.html>



If you encounter any issues, please don't hesitate to get in touch with the
Debian Release Team at "[email protected]".

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