CVE-2018-15501 · cross-distro fix matrix

CVE-2018-15501: In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-15501 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libgit2→ fixed in0.27.4+dfsg.1-0.1urgency: low
```
sudo apt-get install --only-upgrade -y libgit2
```

Debian bookworm

Source: Debian Security Tracker

libgit2→ fixed in0.27.4+dfsg.1-0.1urgency: low
```
sudo apt-get install --only-upgrade -y libgit2
```

Debian trixie

Source: Debian Security Tracker

libgit2→ fixed in0.27.4+dfsg.1-0.1urgency: low
```
sudo apt-get install --only-upgrade -y libgit2
```

Alpine v3.20

Source: Alpine secdb

libgit2→ fixed in0.27.4-r0
```
apk update && apk add --upgrade libgit2
```

Alpine v3.21

Source: Alpine secdb

libgit2→ fixed in0.27.4-r0
```
apk update && apk add --upgrade libgit2
```

Alpine edge

Source: Alpine secdb

libgit2→ fixed in0.27.4-r0
```
apk update && apk add --upgrade libgit2
```

Alpine v3.18

Source: Alpine secdb

libgit2→ fixed in0.27.4-r0
```
apk update && apk add --upgrade libgit2
```

Alpine v3.19

Source: Alpine secdb

libgit2→ fixed in0.27.4-r0
```
apk update && apk add --upgrade libgit2
```

Are YOU affected by CVE-2018-15501?

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.

curl https://mindsparkstack.com/scan.sh | bash

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