Accepted postgresql-17 17.8-0+deb13u1 (source) into proposed-updates

Debian FTP Masters Thu, 19 Feb 2026 15:04:53 -0800
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Format: 1.8
Date: Tue, 10 Feb 2026 11:26:19 +0100
Source: postgresql-17
Built-For-Profiles: nocheck
Architecture: source
Version: 17.8-0+deb13u1
Distribution: trixie-security
Urgency: medium
Maintainer: Debian PostgreSQL Maintainers <[email protected]>
Changed-By: Christoph Berg <[email protected]>
Changes:
 postgresql-17 (17.8-0+deb13u1) trixie-security; urgency=medium
 .
   * New upstream version 17.8.
 .
     + Guard against unexpected dimensions of oidvector/int2vector (Tom Lane)
 .
       These data types are expected to be 1-dimensional arrays containing no
       nulls, but there are cast pathways that permit violating those
       expectations.  Add checks to some functions that were depending on those
       expectations without verifying them, and could misbehave in consequence.
 .
       The PostgreSQL Project thanks Altan Birler for reporting this problem.
       (CVE-2026-2003)
 .
     + Harden selectivity estimators against being attached to operators that
       accept unexpected data types (Tom Lane)
 .
       contrib/intarray contained a selectivity estimation function that could
       be abused for arbitrary code execution, because it did not check that
       its input was of the expected data type.  Third-party extensions should
       check for similar hazards and add defenses using the technique intarray
       now uses. Since such extension fixes will take time, we now require
       superuser privilege to attach a non-built-in selectivity estimator to an
       operator.
 .
       The PostgreSQL Project thanks Daniel Firer, as part of zeroday.cloud,
       for reporting this problem. (CVE-2026-2004)
 .
     + Fix buffer overrun in contrib/pgcrypto's PGP decryption functions
       (Michael Paquier)
 .
       Decrypting a crafted message with an overlength session key caused a
       buffer overrun, with consequences as bad as arbitrary code execution.
 .
       The PostgreSQL Project thanks Team Xint Code, as part of zeroday.cloud,
       for reporting this problem. (CVE-2026-2005)
 .
     + Fix inadequate validation of multibyte character lengths
       (Thomas Munro, Noah Misch)
 .
       Assorted bugs allowed an attacker able to issue crafted SQL to overrun
       string buffers, with consequences as bad as arbitrary code execution.
       After these fixes, applications may observe invalid byte sequence for
       encoding errors when string functions process invalid text that has been
       stored in the database.
 .
       The PostgreSQL Project thanks Paul Gerste and Moritz Sanft, as part of
       zeroday.cloud, for reporting this problem. (CVE-2026-2006)
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Accepted postgresql-17 17.8-0+deb13u1 (source) into proposed-updates

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