CVE-2026-56132

ADVISORY - debian

Summary

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

expat 2.8.2-1 (bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140388) https://github.com/libexpat/libexpat/pull/1272

EPSS Score⁠: 0.00108 (0.013)

Common Weakness Enumeration (CWE)

Impacted images

Advisories

Alpine

CREATED

3 months ago

UPDATED

8 days ago

ADVISORY IDCVE-2026-56132⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

3 months ago

UPDATED

7 days ago

ADVISORY IDCVE-2026-56132⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

3 months ago

UPDATED

6 days ago

ADVISORY IDCVE-2026-56132⁠

EXPLOITABILITY SCORE

1.4

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

6.9medium

Alma

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY IDALSA-2026:64809⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Alma

CREATED

2 days ago

UPDATED

21 hours ago

ADVISORY IDALSA-2026:64812⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2-2026-3495⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2-2026-3795⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1900⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1928⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

23 hours ago

UPDATED

20 hours ago

ADVISORY IDRLSA-2026:64809⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

16 hours ago

UPDATED

14 hours ago

ADVISORY IDRLSA-2026:64810⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

16 hours ago

UPDATED

14 hours ago

ADVISORY IDRLSA-2026:64812⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Oracle

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY IDELSA-2026-64809-0⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY IDELSA-2026-64810-0⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY IDELSA-2026-64812-0⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

CGA-9x2h-jjvc-66mh

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY