HIGH · 8.8

CVE-2018-11490

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 -...

Vulnerability Description

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 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Giflib ProjectGiflib>= 3.0, <= 3.1.1
Sam2P ProjectSam2P0.49.4
DebianDebian Linux10.0
CanonicalUbuntu Linux16.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-11490?

CVE-2018-11490 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 -...

How severe is CVE-2018-11490?

CVE-2018-11490 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-11490?

Check the references section above for vendor advisories and patch information. Affected products include: Giflib Project Giflib, Sam2P Project Sam2P, Debian Debian Linux, Canonical Ubuntu Linux.