High 8.8Published May 26, 2018

CVE-2018-11490The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain "Private->RunningCode…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects giflib_project giflib and 3 other products. Add what you run to find out whether that includes you.

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The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain "Private->RunningCode - 2" array index is not checked. This will lead to a denial of service or possibly unspecified other impact.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-129, CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

giflib_project giflib giflib_project:giflib	from 3.0 through 3.1.1	NVD
sam2p_project sam2p sam2p_project:sam2p	0.49.4	NVD
debian debian_linux debian:debian_linux	10.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	16.04; 18.04; 19.04	NVD

References

References

http://www.securityfocus.com/bid/104327	third-party-advisory, vdb-entry
https://github.com/pts/sam2p/issues/38	third-party-advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00008.html	mailing-list, third-party-advisory
https://usn.ubuntu.com/4107-1/	third-party-advisory

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.