CVE-2009-3767 · cross-distro fix matrix

CVE-2009-3767: libraries/libldap/tls_o.c in OpenLDAP 2.2 and 2.4, and possibly other versions, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers vi

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-3767 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openldap→ fixed in2.4.17-2.1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

openldap→ fixed in2.4.17-2.1urgency: low

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

Debian trixie

Source: Debian Security Tracker

openldap→ fixed in2.4.17-2.1urgency: low

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

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