CVE-2009-5155 · cross-distro fix matrix

CVE-2009-5155: In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2009-5155 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.28-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```
gnulib→ fixed in20140202+stable-3.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gnulib
```

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.28-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```
gnulib→ fixed in20140202+stable-3.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gnulib
```

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.28-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```
gnulib→ fixed in20140202+stable-3.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gnulib
```

Are YOU affected by CVE-2009-5155?

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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