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Mageia 6 Security Advisory: 2019-0252 Critical Giflib Decoder Error

mageia
Calendar Grey September 6, 2019
Dist Mageia Esm H88
The latest giflib updates address a significant divide-by-zero flaw in Mageia. This patch resolves the vulnerability listed as CVE-2019-15133.
Updated giflib packages fix security vulnerability: In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif...

Summary

Updated giflib packages fix security vulnerability:
In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero (CVE-2019-15133).

References

- https://bugs.mageia.org/show_bug.cgi?id=25373

- https://ubuntu.com/security/notices/USN-4107-1

- https://www.cve.org/CVERecord?id=CVE-2019-15133

Topics%20covered

Topics Covered

security advisory giflib divide-by-zero Mageia decoder error

Resolution

SRPMS

- 6/core/giflib-5.1.8-1.mga6

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 06 Sep 2019
URL: https://advisories.mageia.org/MGASA-2019-0252.html
Type: security
CVE: CVE-2019-15133

Topics%20covered

Topics Covered

security advisory giflib divide-by-zero Mageia decoder error

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