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.

Affected Software (6)

VendorProductVersion
Netpbm Netpbm 0 < 10.86.51
Netpbm Netpbm 11.0 < 11.02.30
Netpbm Netpbm 11.03 < 11.15.08
Netpbm Netpbm 0 < 10.86.51
Netpbm Netpbm 11.0 < 11.02.30
Netpbm Netpbm 11.03 < 11.15.08

Bug Bounty Relevance

42 / 100
✓ No authentication
✓ Low complexity

CVSS Score

8.5 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.18%
Raw Score 0.001820
Percentile 7.9%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00182
2026-11-12
0.00182
2026-11-10
0.00182
2026-11-09
0.00182
2026-11-08
0.00182
2026-11-07
0.00182
2026-11-06
0.00182
2026-11-05
0.00182
2026-11-04
0.00182
2026-11-03
0.00182

Intelligence Sources

mitre ref →
nvd ref →