1. Ubuntu Security Notices
  2. USN-4500-1

USN-4500-1: bsdiff vulnerabilities

Publication date

15 September 2020

Overview

bsdiff could be made to crash or run programs as your login if it opened a specially crafted file.

Releases

Packages

  • bsdiff - generate/apply a patch between two binary files

Details

It was discovered that bsdiff mishandled certain input. If a user were tricked
into opening a malicious file, an attacker could cause bsdiff to crash or
potentially execute arbitrary code.

It was discovered that bsdiff mishandled certain input. If a user were tricked
into opening a malicious file, an attacker could cause bsdiff to crash or
potentially execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial bsdiff –  4.3-15+deb8u1build0.16.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›