oss-security - libexpat 2.7.5 fixes three vulnerabilities (2x null deref, 1x infinite loop)

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Message-ID: <9018a61b-1a9a-49bb-bcc2-152add6d48d7@pipping.org>
Date: Tue, 17 Mar 2026 21:48:34 +0100
From: Sebastian Pipping <sebastian@...ping.org>
To: oss-security@...ts.openwall.com
Subject: libexpat 2.7.5 fixes three vulnerabilities (2x null deref, 1x
 infinite loop)

Hello oss-security,


just a quick note that libexpat 2.7.5 (or "Expat 2.7.5") released
today is fixing three vulnerabilities.

Some key links are:

- The blog post about it:
   https://blog.hartwork.org/posts/expat-2-7-5-released/

- The change log of release 2.7.5
   https://github.com/libexpat/libexpat/blob/R_2_7_5/expat/Changes

- The fixing pull requests
   - https://github.com/libexpat/libexpat/pull/1158
   - https://github.com/libexpat/libexpat/pull/1162
   - https://github.com/libexpat/libexpat/pull/1163

- The official CVE metadata
   - https://nvd.nist.gov/vuln/detail/CVE-2026-32776
   - https://nvd.nist.gov/vuln/detail/CVE-2026-32777
   - https://nvd.nist.gov/vuln/detail/CVE-2026-32778

Best



Sebastian

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