CVE-2007-0493 · cross-distro fix matrix

CVE-2007-0493: Use-after-free vulnerability in ISC BIND 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (named daemon crash) via unspecified vectors that cause named to "dereference a freed fetch context."

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

Fix per ecosystem

Each block below is a distro release where CVE-2007-0493 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

bind9→ fixed in1:9.3.4-2urgency: medium

sudo apt-get install --only-upgrade -y bind9

Debian bookworm

Source: Debian Security Tracker

bind9→ fixed in1:9.3.4-2urgency: medium

sudo apt-get install --only-upgrade -y bind9

Debian trixie

Source: Debian Security Tracker

bind9→ fixed in1:9.3.4-2urgency: medium

sudo apt-get install --only-upgrade -y bind9

Are YOU affected by CVE-2007-0493?

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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