MGASA-2018-0468 - Updated libpng(12) packages fix security vulnerability

Publication date: 27 Nov 2018
URL: https://advisories.mageia.org/MGASA-2018-0468.html
Type: security
Affected Mageia releases: 6
CVE: CVE-2018-13785

In libpng until version 1.6.35, a wrong calculation of row_factor in the
png_check_chunk_length function (pngrutil.c) may trigger an integer
overflow and resultant divide-by-zero while processing a crafted PNG
file, leading to a denial of service. (CVE-2018-13785)

This update fixes it, also providing the current maintenance releases in
the 1.2 and 1.6 stable branches.

References:
- https://bugs.mageia.org/show_bug.cgi?id=23307
- https://ubuntu.com/security/CVE-2018-13785
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13785

SRPMS:
- 6/core/libpng-1.6.35-1.mga6
- 6/core/libpng12-1.2.59-1.mga6

Mageia 2018-0468: libpng(12) security update

In libpng until version 1.6.35, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero w...

Summary

In libpng until version 1.6.35, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service. (CVE-2018-13785)
This update fixes it, also providing the current maintenance releases in the 1.2 and 1.6 stable branches.

References

- https://bugs.mageia.org/show_bug.cgi?id=23307

- https://ubuntu.com/security/CVE-2018-13785

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13785

Resolution

MGASA-2018-0468 - Updated libpng(12) packages fix security vulnerability

SRPMS

- 6/core/libpng-1.6.35-1.mga6

- 6/core/libpng12-1.2.59-1.mga6

Severity
Publication date: 27 Nov 2018
URL: https://advisories.mageia.org/MGASA-2018-0468.html
Type: security
CVE: CVE-2018-13785

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