CVE-2007-4770 · cross-distro fix matrix

CVE-2007-4770: libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.

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

Fix per ecosystem

Each block below is a distro release where CVE-2007-4770 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

icu→ fixed in3.8-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y icu
```

Debian bookworm

Source: Debian Security Tracker

icu→ fixed in3.8-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y icu
```

Debian trixie

Source: Debian Security Tracker

icu→ fixed in3.8-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y icu
```

Are YOU affected by CVE-2007-4770?

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