CVE-2009-4355 · cross-distro fix matrix

CVE-2009-4355: Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demon

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-4355 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssl→ fixed in0.9.8k-8urgency: low

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

Debian bookworm

Source: Debian Security Tracker

openssl→ fixed in0.9.8k-8urgency: low

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

Debian trixie

Source: Debian Security Tracker

openssl→ fixed in0.9.8k-8urgency: low

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

Are YOU affected by CVE-2009-4355?

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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