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expat: Schwachstelle ermöglicht Codeausführung
view advisory published 2026-01-29
Ein lokaler Angreifer kann eine Schwachstelle in expat ausnutzen, um einen Integer-Überlauf auszulösen, der weitere Angriffe ermöglicht, darunter Codeausführung, Offenlegung von Informationen, Speicherbeschädigung und Denial-of-Service.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-25210US | high7.8 | — | ||
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation. | ||||
02
references
External citations — patches, advisories, analysis.
- Meinberg Security Advisory MBGSA-2026.03 vom 2026-04-15external
- Amazon Linux Security Advisory ALAS2-2026-3170 vom 2026-02-19external
- Amazon Linux Security Advisory ALAS2-2026-3171 vom 2026-02-19external
- Amazon Linux Security Advisory ALAS2FIREFOX-2026-051 vom 2026-02-19external
- Tenable Security Advisory TNS-2026-04 vom 2026-02-05external
- Commit auf GitHub vom 2026-01-29external
- Debian Security Advisory DLA-4807 vom 2026-10-01external
- openSUSE Security Update OPENSUSE-SU-2026:10144-1 vom 2026-02-05external
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