CVE-2013-6462 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Libxfont

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-121 — Stack-based Buffer Overflow9 documents8 sources
Severity
9.3CRITICALNVD
EPSS
12.0%
top 6.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
X.org LibxfontX Libxfont
Timeline
PublishedJan 9
Latest updateMay 17

Description

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

CVSS vector

AV:N/AC:M/C:C/I:C/A:CExploitability: 8.6 | Impact: 10.0

Affected Packages2 packages

▶Debianx.org/libxfont< 1:1.4.7-1+3
▶NVDx/libxfont23 versions+22

Patches

Patch: cgit.freedesktop.org ↗Patch: cgit.freedesktop.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-7vj8-7ww8-h9v6: Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread↗2022-05-17
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OSV
CVE-2013-6462: Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread↗2014-01-09
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CVEList
CVE-2013-6462: Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread↗2014-01-09
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📋Vendor Advisories

3
Ubuntu
libXfont vulnerability↗2014-01-07
▶
Red Hat
libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts↗2014-01-07
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Debian
CVE-2013-6462: libxfont - Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread....↗2013
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💬Community

2
Bugzilla
CVE-2013-6462 libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts [fedora-all]↗2014-01-07
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Bugzilla
CVE-2013-6462 libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts↗2014-01-03
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