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CVE-2009-4012
Multiple integer overflows in LibThai before 0.1.13 might allow context-dependent attackers to execute arbitrary code via long strings…
High10.0EPSS 4.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 4.5% · top 8.5% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 38213 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 38235 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1971 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.6-1+etch1.diff.gz (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-887-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://linux.thai.net/svn/software/libthai/tags/r_0_1_13/ChangeLog (opens in a new tab)x_refsource_CONFIRMx_transferred
- 38196 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.9-4+lenny1.diff.gz (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SR:2010:002 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://linux.thai.net/node/184 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37822 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 38420 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2009-4012)Record last updated .