CVE-2018-18520
An Invalid Memory Address Dereference exists in the function elf_end in libelf in elfutils through v0.174. Although eu-size is intended to support ar files inside ar files, handle_ar in size.c closes
02 Description
An Invalid Memory Address Dereference exists in the function elf_end in libelf in elfutils through v0.174. Although eu-size is intended to support ar files inside ar files, handle_ar in size.c closes
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
- 2.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.2% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/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
- 2018-10-19 17:00Z8 YR AGO
- Last updated
- 2024-08-05 11:15Z2 YR AGO
- Reserved
- 2018-10-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- b1001f85d3170182a54770c0ab27127f362a343c38260ffe32c852b932658c42
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20190225 [SECURITY] [DLA 1689-1] elfutils security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- sourceware.orghttps://sourceware.org/ml/elfutils-devel/2018-q4/msg00057.html
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=23787
- usn.ubuntu.comUSN-4012-1https://usn.ubuntu.com/4012-1/
- lists.opensuse.orgopenSUSE-SU-2019:1590http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- access.redhat.comRHSA-2019:2197https://access.redhat.com/errata/RHSA-2019:2197
- lists.debian.org[debian-lts-announce] 20211030 [SECURITY] [DLA 2802-1] elfutils security updatehttps://lists.debian.org/debian-lts-announce/2021/10/msg00030.html
07 Fixed in
Arch Linux
- elfutils Fixed in 0.175-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- elfutils Fixed in 0.175-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- elfutils Fixed in 0.175-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- elfutils Fixed in 0.175-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- elfutils Fixed in 0.165-3ubuntu1.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- elfutils Fixed in 0.170-0.4ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- elfutils Fixed in 0.158-0ubuntu5.3+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
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.