CVE-2009-4012

EPSS 2.13% · P84 Updated Feb 21, 2026

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I. Basic Information for CVE-2009-4012

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability 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.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Title

Linux.Thai LibThai多个整数溢出漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

LibThai是LINUX系统中使用的泰语支持库。 LibThai库的thbrk/thbrk.c和thwbrk/thwbrk.c文件中存在最终可导致堆溢出的整数溢出漏洞。用户受骗使用链接到该库的应用处理了超长字符串就可以触发这个溢出，导致执行任意指令。

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	n/a	n/a	-

II. Public POCs for CVE-2009-4012

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2009-4012

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http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.9-4+lenny1.diff.gzx_refsource_CONFIRM
http://linux.thai.net/node/184x_refsource_CONFIRM
http://security.debian.org/pool/updates/main/libt/libthai/libthai_0.1.6-1+etch1.diff.gzx_refsource_CONFIRM
http://linux.thai.net/svn/software/libthai/tags/r_0_1_13/ChangeLogx_refsource_CONFIRM
http://secunia.com/advisories/38196third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/38235third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/38213third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/38420third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/37822vdb-entryx_refsource_BID
http://www.debian.org/security/2010/dsa-1971vendor-advisoryx_refsource_DEBIAN
http://ubuntu.com/usn/usn-887-1vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.htmlvendor-advisoryx_refsource_SUSE
https://nvd.nist.gov/vuln/detail/CVE-2009-4012

Same Patch Batch · n/a · 2010-01-19 · 7 CVEs total

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CVE-2009-3739		Rockwell Automation AB Micrologix控制器口令泄露和绕过安全限制漏洞
CVE-2009-4141		Linux kernel 资源管理错误漏洞
CVE-2009-4605		phpMyAdmin 'setup.php' unserialize()调用跨站请求伪造漏洞
CVE-2010-0007		Linux kernel 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: n/a

Same vendor: n/a

V. Comments for CVE-2009-4012

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CVE-2009-4012

I. Basic Information for CVE-2009-4012

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2009-4012

III. Intelligence Information for CVE-2009-4012

Same Patch Batch · n/a · 2010-01-19 · 7 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2009-4012

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