Critical severity · published Apr 27, 2020
CVE-2020-12279
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0
9.8
CVSS
5.2%
EPSS
No
On KEV
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 cloning a repository. This issue is similar to CVE-2019-1353.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.2% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
LI
Libgit2 · Libgit2
before 0.28.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12279
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12279
Patch
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
Patch
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
Release Notes
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
Release Notes
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
Mailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder