CVE-2007-4840 · cross-distro fix matrix

CVE-2007-4840: PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via (1) a long string in the out_charset parameter to the iconv function; or a long string in the charset parameter to the (2) iconv_mime_decode_headers, (3) iconv_mime_decode, or (4) iconv_strl

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

Fix per ecosystem

Each block below is a distro release where CVE-2007-4840 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.7-1urgency: unimportant

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

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.7-1urgency: unimportant

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

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.7-1urgency: unimportant

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

Are YOU affected by CVE-2007-4840?

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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