CVE-2020-12278: rugged fixed in 0.28.4

CVE-2020-12278 PUBLISHED CVSS 9.800000190734863 CRITICAL

Record from NVD · Published April 27, 2020

rugged is fixed in 0.28.4 (RubyGems)

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

EPSS 5.24% · 92.5th percentile

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
rugged	RubyGems	0.28.4
libgit2	conan.io	0.28.4
libgit2	Ubuntu:Pro:18.04:LTS	0.26.0+dfsg.1-1.1ubuntu0.2+esm1
libgit2	libgit2	0.28.4

Risk scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

5.24%

92.5th percentile

Affected products

Vendor	Product	Versions
debian	debian_linux	9.0
libgit2	libgit2	0

Timeline

Apr 27, 2020 CVE Published
Apr 14, 2021 EPSS Score (30 in total, the first dated here)
Jul 21, 2021 CVE Updated
Mar 6, 2026 Distribution Patch
Mar 6, 2026 Security Advisory (2 in total, the first dated here)
Sep 5, 2026 Coalition ESS Score

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  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-12278/fixes/registry"

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References

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