CVE-2011-0421 · cross-distro fix matrix

CVE-2011-0421: The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed w

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

Fix per ecosystem

Each block below is a distro release where CVE-2011-0421 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libzip→ fixed in0.10-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

libzip→ fixed in0.10-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

libzip→ fixed in0.10-1urgency: low

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

Are YOU affected by CVE-2011-0421?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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