CVE-2009-4012

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-01-19 · updated 2026-06-16
Weakness: CWE-189

Description

Multiple integer overflows in LibThai before 0.1.13 might allow context-dependent attackers to execute arbitrary code via long strings that trigger heap-based buffer overflows, related to (1) thbrk/thbrk.c and (2) thwbrk/thwbrk.c. NOTE: some of these details are obtained from third party information.

Affected products

Linux.Thai Libthai: through 0.1.12; 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5 (+6)

References

http://linux.thai.net/node/184
http://linux.thai.net/svn/software/libthai/tags/r_0_1_13/ChangeLog
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html
http://secunia.com/advisories/38196
http://secunia.com/advisories/38213
http://secunia.com/advisories/38235
http://secunia.com/advisories/38420
http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.6-1+etch1.diff.gz
http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.9-4+lenny1.diff.gz
http://ubuntu.com/usn/usn-887-1
http://www.debian.org/security/2010/dsa-1971
http://www.securityfocus.com/bid/37822

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