Medium 6.8Published Jul 20, 2026

CVE-2026-33328Possible integer overflow on 32-bit systems when reading GIF images

Updated under an hour ago (Oct 26, 2026, 7:10 PM ET)

Does this affect you?

It affects libvips. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for libvips

Exploited in the last 30 days

libvips is a fast image processing library with low memory needs. On 32-bit systems in versions before and including 8.18.0, the `gifload` operation could incorrectly determine dimensions leading to an integer overflow. This has been patched in version 8.18.1.

CVSS: 6.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jul 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

libvips libvips libvips:libvips (from the name)	through 8.18.0	CNA record
libvips libvips libvips:libvips	before 8.18.1	NVD

References

References

https://github.com/libvips/libvips/security/advisories/GHSA-r98w-4fp7-m9c7	x-refsource-confirm, vendor-advisory, mitigation
https://github.com/libvips/libvips/pull/4935	x-refsource-misc, issue-tracking, patch
https://github.com/libvips/libvips/commit/9b633e45abfcf1fc4c84847007c81805193c0969	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.