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libXfont memory corruption
updated since 17.08.2011
Published:17.08.2013
Source:
SecurityVulns ID:11864
Type:library
Threat Level:
5/10
Description:Memory corruption on compressed font parsing.
CVE:CVE-2011-2895 (The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x and 5.0.x before 5.0.3 and 5.1.x before 5.1.1, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to CVE-2006-1168 and CVE-2011-2896.)
Original documentdocumentUBUNTU, [USN-1191-1] libXfont vulnerability (17.08.2011)

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