CVE-2016-4491

Name: CVE-2016-4491
Creator: NVD / NIST
Published: 2017-02-24T20:59:00.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.78%

Last modified Jun 17, 2026

CVE-2016-4491 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 1.78% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability

1.78%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Gnu	Libiberty	All versions

References

http://www.openwall.com/lists/oss-security/2016/05/05/5Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/90016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909Issue Tracking
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.htmlPatch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/05/5Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/90016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909Issue Tracking
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.htmlPatch, Vendor Advisory

Timeline

Published: Feb 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4491?

How severe is CVE-2016-4491?

Severity scoring for CVE-2016-4491 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4491?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST