#1144926 expat: CVE-2026-76956

Package:
src:expat
Source:
src:expat
Submitter:
Salvatore Bonaccorso
Date:
2026-08-20 15:15:02 UTC
Severity:
normal
Tags:
#1144926#5
Date:
2026-08-20 15:13:24 UTC
From:
To:
Hi,

The following vulnerability was published for expat.

CVE-2026-76956[0]:
| In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of
| getentropy's return code leads to insufficient entropy, which
| results in being vulnerable to hash flooding attacks, causing a
| denial of service via crafted XML content.


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-2026-76956
https://www.cve.org/CVERecord?id=CVE-2026-76956
[1] https://github.com/libexpat/libexpat/pull/1326

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore