Your message dated Sat, 16 May 2026 10:23:17 +0000
with message-id <[email protected]>
and subject line Released with 13.5
has caused the Debian Bug report #1135608,
regarding trixie-pu: package mapserver/8.4.0-4+deb13u2
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1135608: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1135608
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: release.debian.org
Severity: normal
Tags: trixie
X-Debbugs-Cc: [email protected], [email protected]
Control: affects -1 + src:mapserver
User: [email protected]
Usertags: pu
[ Reason ]
Fix <no-dsa> issue CVE-2026-33721.
[ Impact ]
Users will remain vulnerable to CVE-2026-33721, and will regress when
upgrading (a fix was uploaded to Bullseye LTS and Bookworm modulo os-pu
bug #1131735).
[ Tests ]
POC at
https://github.com/MapServer/MapServer/security/advisories/GHSA-cv4m-mr84-fgjp
and manual msautotests run.
[ Risks ]
Trivial fix.
[ Checklist ]
[x] *all* changes are documented in the d/changelog
[x] I reviewed all changes and I approve them
[x] attach debdiff against the package in stable
[x] the issue is verified as fixed in unstable
[ Changes ]
* Fix CVE-2026-33721: Heap buffer overflow in Styled Layer Descriptor
(SLD) `Categorize` Threshold parsing.
* Add d/salsa-ci.yml for Salsa CI.
[ Other info ]
Debusine results:
https://debusine.debian.net/debian/developers/work-request/659132/
Tags and individual commits can be found on the LTS team fork:
https://salsa.debian.org/lts-team/packages/mapserver/-/commits/debian/trixie?ref_type=heads
--
Guilhem.
diffstat for mapserver-8.4.0 mapserver-8.4.0
changelog | 9 +++++++++
patches/CVE-2026-33721.patch | 29 +++++++++++++++++++++++++++++
patches/series | 1 +
salsa-ci.yml | 9 +++++++++
4 files changed, 48 insertions(+)
diff -Nru mapserver-8.4.0/debian/changelog mapserver-8.4.0/debian/changelog
--- mapserver-8.4.0/debian/changelog 2025-09-22 00:31:40.000000000 +0200
+++ mapserver-8.4.0/debian/changelog 2026-05-03 15:37:57.000000000 +0200
@@ -1,3 +1,12 @@
+mapserver (8.4.0-4+deb13u2) trixie; urgency=high
+
+ * Non-maintainer upload.
+ * Fix CVE-2026-33721: Heap buffer overflow in SLD `Categorize` Threshold
+ parsing.
+ * Add d/salsa-ci.yml for Salsa CI.
+
+ -- Guilhem Moulin <[email protected]> Sun, 03 May 2026 15:37:57 +0200
+
mapserver (8.4.0-4+deb13u1) trixie; urgency=medium
* Update branch in gbp.conf & Vcs-Git URL.
diff -Nru mapserver-8.4.0/debian/patches/CVE-2026-33721.patch
mapserver-8.4.0/debian/patches/CVE-2026-33721.patch
--- mapserver-8.4.0/debian/patches/CVE-2026-33721.patch 1970-01-01
01:00:00.000000000 +0100
+++ mapserver-8.4.0/debian/patches/CVE-2026-33721.patch 2026-05-03
15:37:57.000000000 +0200
@@ -0,0 +1,29 @@
+From: "github-actions[bot]"
<41898282+github-actions[bot]@users.noreply.github.com>
+Date: Mon, 23 Mar 2026 12:30:09 -0300
+Subject: msSLDParseRasterSymbolizer(): fix potential heap buffer overflow
+
+Credits to Trail of Bits and Anthropic for reporting and patch
+suggestion
+
+Co-authored-by: Even Rouault <[email protected]>
+Origin:
https://github.com/MapServer/MapServer/commit/fb08dad4afee081b81c57ca0c5d37c149e7755f9
+Bug:
https://github.com/MapServer/MapServer/security/advisories/GHSA-cv4m-mr84-fgjp
+Bug: https://github.com/MapServer/MapServer/pull/7461
+Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2026-33721
+---
+ src/mapogcsld.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/mapogcsld.cpp b/src/mapogcsld.cpp
+index 15ca80d..4c5ed64 100644
+--- a/src/mapogcsld.cpp
++++ b/src/mapogcsld.cpp
+@@ -2894,7 +2894,7 @@ int msSLDParseRasterSymbolizer(CPLXMLNode *psRoot,
layerObj *psLayer,
+ } else if (strcasecmp(psNode->pszValue, "Threshold") == 0) {
+ papszThresholds[nThresholds] = psNode->psChild->pszValue;
+ nThresholds++;
+- if (nValues == nMaxThreshold) {
++ if (nThresholds == nMaxThreshold) {
+ nMaxThreshold += 100;
+ papszThresholds = (char **)msSmallRealloc(
+ papszThresholds, sizeof(char *) * nMaxThreshold);
diff -Nru mapserver-8.4.0/debian/patches/series
mapserver-8.4.0/debian/patches/series
--- mapserver-8.4.0/debian/patches/series 2025-09-22 00:31:40.000000000
+0200
+++ mapserver-8.4.0/debian/patches/series 2026-05-03 15:37:57.000000000
+0200
@@ -2,3 +2,4 @@
java-hardening.patch
icu.patch
CVE-2025-59431.patch
+CVE-2026-33721.patch
diff -Nru mapserver-8.4.0/debian/salsa-ci.yml
mapserver-8.4.0/debian/salsa-ci.yml
--- mapserver-8.4.0/debian/salsa-ci.yml 1970-01-01 01:00:00.000000000 +0100
+++ mapserver-8.4.0/debian/salsa-ci.yml 2026-05-03 15:37:57.000000000 +0200
@@ -0,0 +1,9 @@
+---
+include:
+ -
https://salsa.debian.org/salsa-ci-team/pipeline/raw/master/recipes/debian.yml
+
+variables:
+ RELEASE: 'trixie'
+ SALSA_CI_DISABLE_LINTIAN: 1
+ SALSA_CI_DISABLE_REPROTEST: 1
+ SALSA_CI_DISABLE_BLHC: 1
signature.asc
Description: PGP signature
--- End Message ---
--- Begin Message ---
Package: release.debian.org
Version: 13.5
This update has been released as part of Debian 13.5.
--- End Message ---
