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FreeBSD Security Advisory (FreeBSD-SA-11:04.compress.asc)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-11:04.compress.asc
Insight
Insight
The compress utility reduces the size of files using adaptive Lempel-Ziv coding, or LZW coding, a lossless data compression algorithm. Both compress(1) and gzip(1) uses code derived from 4.3BSD compress(1). The code used to decompress a file created by compress(1) does not do sufficient boundary checks on compressed code words, allowing reference beyond the decompression table, which may result in a stack overflow or an infinite loop when the decompressor encounters a corrupted file.
Solution
Solution
Upgrade your system to the appropriate stable release or security branch dated after the correction date.