Debian trixie
Source: Debian Security Tracker
composer→ fixed in2.6.4-1urgency: not yet assignedsudo apt-get install --only-upgrade -y composer
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CVE-2023-43655 · cross-distro fix matrix
CVE-2023-43655: Composer is a dependency manager for PHP. Users publishing a composer.phar to a public web-accessible server where the composer.phar can be executed as a php file may be subject to a remote code execution vulnerability if PHP also has `register_argc_argv` enabled in php.ini. Versions 2.6.4, 2.2.22 a
Affects 6 Linux releases across 6 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2023-43655 has a known fix. Run the listed command on that distro to remediate.
Alpine v3.20
Source: Alpine secdb
composer→ fixed in2.6.4-r0apk update && apk add --upgrade composer
Alpine v3.21
Source: Alpine secdb
composer→ fixed in2.6.4-r0apk update && apk add --upgrade composer
Alpine edge
Source: Alpine secdb
composer→ fixed in2.6.4-r0apk update && apk add --upgrade composer
Alpine v3.18
Source: Alpine secdb
composer→ fixed in2.6.4-r0apk update && apk add --upgrade composer
Alpine v3.19
Source: Alpine secdb
composer→ fixed in2.6.4-r0apk update && apk add --upgrade composer
Are YOU affected by CVE-2023-43655?
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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