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Message-ID: <06678f84-23c7-4fca-a88e-bc32bce55375@pipping.org>
Date: Mon, 5 Oct 2026 20:18:10 +0200
From: Sebastian Pipping <sebastian@...ping.org>
To: oss-security@...ts.openwall.com
Subject: libexpat 2.9.0 fixes two vulnerabilities
Hello oss-security,
just a quick note that libexpat 2.9.0 (or "Expat 2.9.0") released today
is fixing two vulnerabilities:
- CVE-2026-77214
- CVE-2026-102633
The related part of the change log is this:
#1392 CVE-2026-102633 -- Integer overflow in function expat_realloc
on 32bit platforms
#1393 CVE-2026-77214 -- Validate parameter `len` against available
buffer capacity in XML_ParseBuffer
Some key links are:
- The blog post about it
https://blog.hartwork.org/posts/expat-2-9-0-released/
- The full change log of release 2.9.0
https://github.com/libexpat/libexpat/blob/R_2_9_0/expat/Changes
- The fixing pull requests
- https://github.com/libexpat/libexpat/pull/1392
- https://github.com/libexpat/libexpat/pull/1393
- The NVD CVE metadata
- https://nvd.nist.gov/vuln/detail/cve-2026-77214
- https://nvd.nist.gov/vuln/detail/cve-2026-102633
Best
Sebastian
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