USN-504-1: Emacs vulnerability

Releases

• Ubuntu 7.04
• Ubuntu 6.10
• Ubuntu 6.06

Packages

• emacs21 -

Details

Hendrik Tews discovered that emacs21 did not correctly handle certain
GIF images. By tricking a user into opening a specially crafted GIF,
a remote attacker could cause emacs21 to crash, resulting in a denial
of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 7.04

• emacs21 - 21.4a+1-2ubuntu1.1
• emacs21-nox - 21.4a+1-2ubuntu1.1

Ubuntu 6.10

• emacs21 - 21.4a-6ubuntu2.1
• emacs21-nox - 21.4a-6ubuntu2.1

Ubuntu 6.06

• emacs21 - 21.4a-3ubuntu2.1
• emacs21-nox - 21.4a-3ubuntu2.1

After a standard system upgrade you need to restart emacs to effect the
necessary changes.

References

• CVE-2007-2833