Buffer overflow in Gnu Libiberty
CVE-2016-4491
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."
Vulnerability class: Buffer Overflow
EPSS: 0.018 (76.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Gnu Libiberty
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch)
Frequently asked questions
- What is CVE-2016-4491?
- CVE-2016-4491 is a medium-severity vulnerability in Gnu Libiberty, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-02-24.
- How severe is CVE-2016-4491?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-4491 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.