CVE-2026-120436 Netpbm - Integer Overflow

Netpbm < 10.86.51, 11.x < 11.02.30, and 11.03 < 11.15.08 contain an integer overflow in jbigtopnm causing a heap buffer overflow in jbg_dec_merge_planes(), letting attackers execute code or cause crashes via crafted multi-plane JBIG files.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Integer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-190

Vendor fix

Update to version 10.86.51, 11.02.30, 11.15.08 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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