Out-of-bounds Read in GNU Libiberty
CVE-2016-4493
The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (75.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · 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-2016-4493?
- CVE-2016-4493 is a medium-severity vulnerability in GNU Libiberty, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-02-24.
- How severe is CVE-2016-4493?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-4493 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.