CVE-2018-11490: n/a vulnerability

CVE-2018-11490: The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif....

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 08:10 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2018-11490 is a memory corruption flaw in GIF image decompression code from GIFLIB, also noted in sam2p 0.49.4. A malformed GIF could crash software that processes it. The sources do not prove active exploitation or define a confirmed impact beyond denial of service and possible unspecified effects. Exposure is most plausible where servers, batch jobs, or desktop tools process untrusted GIF files through affected GIFLIB-derived code or sam2p. The bundle does not provide complete affected product or version data. Treat this as a targeted maintenance risk for image-processing assets, not an emergency without exposure evidence. Prioritize internet-facing or automated workflows that accept GIF files from users or third parties. Mitigation focus: Identify systems using GIFLIB or sam2p for GIF processing.; Apply relevant vendor or distribution security updates when available.; Review Ubuntu USN-4107-1 and Debian DLA 3223-1 guidance..

Prepared: Jun 7, 2026, 13:21 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 26, 2018, 00:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/pts/sam2p/issues/38CVE reference
USN-4107-1CVE reference · vendor-advisory
[debian-lts-announce] 20221205 [SECURITY] [DLA 3223-1] giflib security updateCVE reference · mailing-list

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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