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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.05% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 64.3% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-12-09 21:05Z5 YR AGO
- Last updated
- 2024-08-04 13:45Z2 YR AGO
- Reserved
- 2020-08-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- ade1d9f20f050d558397763a190ba0f4fea1bda03f8eb098a56a0778df485a2a
05 Affected products
06 References
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=25823
- sourceware.orghttps://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a
- lists.fedoraproject.orgFEDORA-2020-f903e139b1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKIMSD5FIC3QFJDKNHR2PSO6JYJGCLHB/
- lists.fedoraproject.orgFEDORA-2020-18ec0bf4bbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJIW6KKY2TSLD43XEZXG56WREIIBUIIQ/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20210115-0003/
07 Fixed in
Debian 12
- binutils Fixed in 2.35-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- binutils Fixed in 2.35-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- binutils Fixed in 2.35-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- binutils Fixed in 2.30-21ubuntu1~18.04.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- binutils Fixed in 2.34-6ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.