CVE-2018-20651
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a
02 Description
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for 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
- 2.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.6% 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:3.0/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
- Low. 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
- 2019-01-01 16:00Z7 YR AGO
- Last updated
- 2024-08-05 12:05Z2 YR AGO
- Reserved
- 2019-01-01
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 796ac878362e501a17f4c8f5716a0f5b987a27f0dc381c19946f3f75b8c5dacb
05 Affected products
06 References
- www.securityfocus.com106440http://www.securityfocus.com/bid/106440
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=24041
- sourceware.orghttps://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
- support.f5.comhttps://support.f5.com/csp/article/K38336243
- security.gentoo.orgGLSA-201908-01https://security.gentoo.org/glsa/201908-01
- lists.opensuse.orgopenSUSE-SU-2019:2415http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- lists.opensuse.orgopenSUSE-SU-2019:2432http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- usn.ubuntu.comUSN-4336-1https://usn.ubuntu.com/4336-1/
07 Fixed in
Debian 12
- binutils Fixed in 2.32.51.20190707-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- binutils Fixed in 2.32.51.20190707-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- binutils Fixed in 2.32.51.20190707-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- binutils Fixed in 2.30-21ubuntu1~18.04.3
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.