CVE-2026-56409

ADVISORY - debian

Summary

xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.

expat 2.8.2-1 (bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140557) https://github.com/libexpat/libexpat/pull/1259 Fixed by: https://github.com/libexpat/libexpat/commit/61f7cdda22546c4bee38dd2d3fa3d6e4aa64d33e

EPSS Score⁠: 0.00098 (0.010)

Common Weakness Enumeration (CWE)

Impacted images

Advisories

Alpine

CREATED

4 days ago

UPDATED

1 day ago

ADVISORY IDCVE-2026-56409⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

8 days ago

UPDATED

3 days ago

ADVISORY IDCVE-2026-56409⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

8 days ago

UPDATED

6 days ago

ADVISORY IDCVE-2026-56409⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

5 days ago

UPDATED

5 days ago

ADVISORY ID

CGA-m33w-fcq7-wmg3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY