Vulnerability 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."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Libiberty | All versions |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/05/05/5Mailing ListPatchThird 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.htmlPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/05/05/5Mailing ListPatchThird 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.htmlPatchVendor Advisory
FAQ
What is CVE-2016-4491?
CVE-2016-4491 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2016-4491?
CVE-2016-4491 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4491?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Libiberty.