CVE-2009-4012
Multiple integer overflows in LibThai before 0.1.13 might allow context-dependent attackers to...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-4012- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-4012- Updated
- 2026-11-02
EUVDEUVD-2009-3983 No score
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.
- Record
EUVD-2009-3983- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cp28-4p2g-2qfv No score
Multiple integer overflows in LibThai before 0.1.13 might allow context-dependent attackers to...
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.
- Record
GHSA-cp28-4p2g-2qfv- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2009-4012- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-4012 No score
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.
- Record
DEBIAN-CVE-2009-4012- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10355-1 No score
libthai-data-0.1.25-1.3 on GA media
These are all security issues fixed in the libthai-data-0.1.25-1.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10355-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libthaiDebian:12 |
before 0.1.13-1 | 0.1.13-1 |
libthaiDebian:13 |
before 0.1.13-1 | 0.1.13-1 |
libthaiDebian:14 |
before 0.1.13-1 | 0.1.13-1 |
libthaiDebian:4.0 |
before 0.1.6-1+etch1, plus listed versions 0.1.6-1 |
0.1.6-1+etch1 |
libthaiDebian:5.0 |
before 0.1.9-4+lenny1, plus listed versions 0.1.9-4 |
0.1.9-4+lenny1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4012 is a high vulnerability (CVSS 10.0) in Linux.thai Libthai, published January 15, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.49%, the 91st percentile. Fixed in libthai 0.1.13-1.
References
secunia.com/advisories/38213
debian.org/security/2010/dsa-1971
security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.6-1+etch1.diff.gz
ubuntu.com/usn/usn-887-1
linux.thai.net/svn/software/libthai/tags/r_0_1_13/ChangeLog
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lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html
securityfocus.com/bid/37822
nvd.nist.gov/vuln/detail/CVE-2009-4012
github.com/advisories/GHSA-cp28-4p2g-2qfv
security-tracker.debian.org/tracker/CVE-2009-4012
suse.com/security/cve/CVE-2009-4012