CVE-2012-1458 · cross-distro fix matrix

CVE-2012-1458: The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the err

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

Elevated exploitation risk

FIRST EPSS puts CVE-2012-1458's probability of exploitation in the next 30 days at 74% (99th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:74% · 30-day exploit probability99th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2012-1458 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

clamav→ fixed in0.97.5+dfsg-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

clamav→ fixed in0.97.5+dfsg-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

clamav→ fixed in0.97.5+dfsg-1urgency: low

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

Are YOU affected by CVE-2012-1458?

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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