CVE-2012-2141 · cross-distro fix matrix

CVE-2012-2141: Array index error in the handle_nsExtendOutput2Table function in agent/mibgroup/agent/extend.c in Net-SNMP 5.7.1 allows remote authenticated users to cause a denial of service (out-of-bounds read and snmpd crash) via an SNMP GET request for an entry not in the extension table.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-2141 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

net-snmp→ fixed in5.4.3~dfsg-2.5urgency: low

sudo apt-get install --only-upgrade -y net-snmp

Debian bookworm

Source: Debian Security Tracker

net-snmp→ fixed in5.4.3~dfsg-2.5urgency: low

sudo apt-get install --only-upgrade -y net-snmp

Debian trixie

Source: Debian Security Tracker

net-snmp→ fixed in5.4.3~dfsg-2.5urgency: low

sudo apt-get install --only-upgrade -y net-snmp

Are YOU affected by CVE-2012-2141?

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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