Use After Free in Gnu Binutils
CVE-2020-16592
A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.
Vulnerability class: Use-After-Free
EPSS: 0.010 (60.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Gnu Binutils — versions 2.34
- Netapp Ontap_select_deploy_administration_utility
- Fedoraproject Fedora — versions 32, 33
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16592?
- CVE-2020-16592 is a medium-severity vulnerability in Gnu Binutils, classified under Use After Free. CVSS score: 5.5/10. Published 2020-12-09.
- How severe is CVE-2020-16592?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-16592 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.