Your message dated Thu, 30 Jul 2026 21:27:55 +0200
with message-id <[email protected]>
and subject line Re: Bug#1143128: pgvector: CVE-2026-18022
has caused the Debian Bug report #1143128,
regarding pgvector: CVE-2026-18022
to be marked as done.

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1143128: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1143128
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--- Begin Message ---
Source: pgvector
Version: 0.8.5-1
Severity: grave
Tags: security upstream
Forwarded: https://github.com/pgvector/pgvector/issues/1006
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for pgvector.

CVE-2026-18022[0]:
| Integer wraparound in IVFFlat index build in pgvector before 0.8.6
| allows a database user to write data out-of-bounds, which could lead
| to arbitrary code execution. Only 32-bit systems are affected.

Despite the severity I guess for trixie it is enough to make a fix
only via an upcomping point release as it only affects 32bit systems.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-18022
    https://www.cve.org/CVERecord?id=CVE-2026-18022
[1] https://github.com/pgvector/pgvector/issues/1006
[2] 
https://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

--- End Message ---
--- Begin Message ---
Re: Salvatore Bonaccorso
> Despite the severity I guess for trixie it is enough to make a fix
> only via an upcomping point release as it only affects 32bit systems.

Hi Salvatore,

thanks for the report!

We stopped building 32-bit package for PostgreSQL extensions some time
ago because upstreams are increasingly unwilling/unable to fix
problems, and the time spend debugging wasn't worth the estimated
non-existing 32-bit user base.

So: We are not affected.

$ rmadison postgresql-{10..19}-pgvector
postgresql-17-pgvector | 0.8.0-1       | stable     | amd64, arm64, ppc64el, 
riscv64, s390x
postgresql-18-pgvector | 0.8.5-1       | testing    | amd64, arm64, loong64, 
ppc64el, riscv64, s390x
postgresql-18-pgvector | 0.8.5-1       | unstable   | amd64, arm64, loong64, 
ppc64el, riscv64, s390x

Christoph

--- End Message ---

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