CVE-2026-120436
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
42/100
Published: 2026-11-02
Modified: 2026-11-02
First seen: 2026-11-02
Status: active
Attack Surface
Low Complexity
No Auth
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
None
UI:
Passive
S:
X
AT:
None
VC:
High
VI:
High
VA:
High
Description
Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-plane JBIG file with large header dimensions so jbg_dec_merge_planes() overflows the undersized buffer, causing crashes or potentially code execution.
Weakness Classification (1)
Affected Software (6)
References & Advisories (6)
third-party-advisory
technical-description
release-notes
release-notes
release-notes
patch