CVE-2026-56411

ADVISORY - debian

Summary

xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.

expat 2.8.2-1 (bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140557) https://github.com/libexpat/libexpat/pull/1263 Fixed by: https://github.com/libexpat/libexpat/commit/528a4e5017e1bd3b48b689fd0c131df940ae3ea5

EPSS Score⁠: 0.0011 (0.015)

Common Weakness Enumeration (CWE)

Impacted images

Advisories

Alpine

CREATED

4 days ago

UPDATED

1 day ago

ADVISORY IDCVE-2026-56411⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

8 days ago

UPDATED

3 days ago

ADVISORY IDCVE-2026-56411⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

8 days ago

UPDATED

6 days ago

ADVISORY IDCVE-2026-56411⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY ID

CGA-g475-xr4q-qf74

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY