Buffer overflow in GNU Libiberty
CVE-2016-4492
Buffer overflow in the do_type function in cplus-dem.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html (Vendor Advisory, mailing-list, Patch)
- www.openwall.com/lists/oss-security/2016/05/05/5 (mailing-list, Patch, Mailing List, Third Party Advisory)
- gcc.gnu.org/bugzilla/show_bug.cgi (Issue Tracking)
- www.securityfocus.com/bid/90014 (vdb-entry)
Frequently asked questions
- What is CVE-2016-4492?
- CVE-2016-4492 is a medium-severity vulnerability in GNU Libiberty, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.4/10. Published 2017-02-24.
- How severe is CVE-2016-4492?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2016-4492 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.