CVE-2005-4872 · cross-distro fix matrix

CVE-2005-4872: Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer ove

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2005-4872 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pcre3→ fixed in6.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre3
```

Debian bookworm

Source: Debian Security Tracker

pcre3→ fixed in6.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre3
```

Are YOU affected by CVE-2005-4872?

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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