CVE-2020-12279
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when
02 Description
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when
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
- 5.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
- 2020-04-27 00:00Z6 YR AGO
- Last updated
- 2024-08-04 11:48Z2 YR AGO
- Reserved
- 2020-04-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 09b9a60232f4ad823fab50ffa228f6db5619afe3b8fa7a217eda8b6fdc03f479
05 Affected products
06 References
- github.comhttps://github.com/libgit2/libgit2/releases/tag/v0.99.0
- github.comhttps://github.com/libgit2/libgit2/releases/tag/v0.28.4
- github.comhttps://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
- github.comhttps://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
- lists.debian.org[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
- lists.debian.org[debian-lts-announce] 20230223 [SECURITY] [DLA 3340-1] libgit2 security updatehttps://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
07 Fixed in
Debian 12
- libgit2 Fixed in 0.28.4+dfsg.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libgit2 Fixed in 0.28.4+dfsg.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libgit2 Fixed in 0.28.4+dfsg.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- libgit2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libgit2 Fixed in 0.24.1-2ubuntu0.2+esm2Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- libgit2 Fixed in 0.26.0+dfsg.1-1.1ubuntu0.2+esm1Available with Ubuntu Pro: 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.