CVE-2020-12278 · cross-distro fix matrix

CVE-2020-12278: 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.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-12278 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libgit2→ fixed in0.28.4+dfsg.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgit2
```

Debian bookworm

Source: Debian Security Tracker

libgit2→ fixed in0.28.4+dfsg.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgit2
```

Debian trixie

Source: Debian Security Tracker

libgit2→ fixed in0.28.4+dfsg.1-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgit2
```

Are YOU affected by CVE-2020-12278?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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