Vulnerability in GNU Glibc
CVE-2023-5156
A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.016 · change: +0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-5156 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Patch, Issue Tracking)
- sourceware.org/bugzilla/show_bug.cgi (Patch, Issue Tracking)
- sourceware.org/git/ (Patch, Mailing List)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-5156?
- CVE-2023-5156 is a high-severity vulnerability in GNU Glibc, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-09-25.
- How severe is CVE-2023-5156?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-5156 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.