StackPatch is liveSee product

Back to CVE digest
CVE-2007-0956 · cross-distro fix matrix

CVE-2007-0956: The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.

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

Fix per ecosystem

Each block below is a distro release where CVE-2007-0956 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • krb5→ fixed in1.4.4-8urgency: high
    sudo apt-get install --only-upgrade -y krb5

Debian bookworm

Source: Debian Security Tracker

  • krb5→ fixed in1.4.4-8urgency: high
    sudo apt-get install --only-upgrade -y krb5

Debian trixie

Source: Debian Security Tracker

  • krb5→ fixed in1.4.4-8urgency: high
    sudo apt-get install --only-upgrade -y krb5
Are YOU affected by CVE-2007-0956?

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
Continuous monitoring beats manual checking

CVE-2007-0956dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)