CVE-2016-4491

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-02-24 · updated 2026-06-17
Weakness: CWE-119

Description

The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."

Affected products

GNU Libiberty: all versions

References

http://www.openwall.com/lists/oss-security/2016/05/05/5
http://www.securityfocus.com/bid/90016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.html
http://www.openwall.com/lists/oss-security/2016/05/05/5
http://www.securityfocus.com/bid/90016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.html

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