CVE-2009-2624

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-01-29 · updated 2026-06-16
Weakness: CWE-20

Description

The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman) table that is too small, which allows remote attackers to cause a denial of service (application crash or infinite loop) or possibly execute arbitrary code via a crafted archive. NOTE: this issue is caused by a CVE-2006-4334 regression.

Affected products

GNU gzip: through 1.3.12; 1.2.4, 1.2.4a, 1.3, 1.3.1, 1.3.2, 1.3.3 (+8)

References

http://article.gmane.org/gmane.comp.gnu.gzip.bugs/258
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507263
http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=39a362ae9d9b007473381dba5032f4dfc1744cf2
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html
http://secunia.com/advisories/38132
http://secunia.com/advisories/38223
http://secunia.com/advisories/38232
http://support.apple.com/kb/HT4435
http://www.debian.org/security/2010/dsa-1974
http://www.mandriva.com/security/advisories?name=MDVSA-2010:020
http://www.ubuntu.com/usn/USN-889-1

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