This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-72522 →

DEBIAN-CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unic...

Original description

The description as published by the source.

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1+deb12u3"}]}]

Debian:13 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.3-1~deb13u1"}]}]

Debian:14 expat

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.3-1"}]}]

References

advisory security-tracker.debian.org