What’s Vulnerable › Vulnerabilities

CVE-2016-6131

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-07 · updated 2026-06-17
• Weakness: CWE-20

Description

The demangler in GNU Libiberty allows remote attackers to cause a denial of service (infinite loop, stack overflow, and crash) via a cycle in the references of remembered mangled types.

Affected products

• GNU Libiberty: all versions

References

• http://www.openwall.com/lists/oss-security/2016/06/30/4
• http://www.openwall.com/lists/oss-security/2016/06/30/7
• http://www.securityfocus.com/bid/91519
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71696
• https://gcc.gnu.org/ml/gcc-patches/2016-06/msg02030.html
• http://www.openwall.com/lists/oss-security/2016/06/30/4
• http://www.openwall.com/lists/oss-security/2016/06/30/7
• http://www.securityfocus.com/bid/91519
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71696
• https://gcc.gnu.org/ml/gcc-patches/2016-06/msg02030.html

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