==========================================================================
Ubuntu Security Notice USN-5961-1
March 16, 2023

abcm2ps vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in abcm2ps.

Software Description:
- abcm2ps: Translates ABC music description files to PostScript

Details:

It was discovered that abcm2ps incorrectly
handled memory when parsing specially crafted ABC files.
An attacker could use this issue to cause abcm2ps to crash,
leading to a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 16.04 ESM
and Ubuntu 18.04 LTS.
(CVE-2018-10753, CVE-2018-10771, CVE-2019-1010069)

Chiba of Topsec Alpha Lab discovered that abcm2ps incorrectly
handled memory when parsing specially crafted ABC files.
An attacker could use this issue to cause abcm2ps to crash,
leading to a denial of service.
(CVE-2021-32434, CVE-2021-32435, CVE-2021-32436)

Update instructions:

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

Ubuntu 22.04 LTS:
   abcm2ps                         8.14.11-0.1ubuntu0.1~esm1

Ubuntu 20.04 LTS:
   abcm2ps                         8.14.6-0.1ubuntu0.1~esm1

Ubuntu 18.04 LTS:
   abcm2ps                         7.8.9-1+deb9u1build0.18.04.1

Ubuntu 16.04 ESM:
   abcm2ps                         7.8.9-1ubuntu0.16.04.1~esm1

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

References:
   https://ubuntu.com/security/notices/USN-5961-1
   CVE-2018-10753, CVE-2018-10771, CVE-2019-1010069, CVE-2021-32434,
   CVE-2021-32435, CVE-2021-32436

Package Information:
https://launchpad.net/ubuntu/+source/abcm2ps/7.8.9-1+deb9u1build0.18.04.1