USN-6677-1: libde265 vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• libde265 - Open H.265 video codec implementation

Details

It was discovered that libde265 could be made to dereference invalid
memory. If a user or automated system were tricked into opening a specially
crafted file, an attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-27102)

It was discovered that libde265 could be made to write out of bounds. If a
user or automated system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
(CVE-2023-27103)

It was discovered that libde265 could be made to write out of bounds. If a
user or automated system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2023-43887, CVE-2023-47471,
CVE-2023-49465, CVE-2023-49467, CVE-2023-49468)

Update instructions

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

Ubuntu 23.10

• libde265-0 - 1.0.12-2ubuntu0.1

Ubuntu 22.04

• libde265-0 - 1.0.8-1ubuntu0.3

Ubuntu 20.04

• libde265-0 - 1.0.4-1ubuntu0.4

Ubuntu 18.04

• libde265-0 - 1.0.2-2ubuntu0.18.04.1~esm4
  Available with Ubuntu Pro

Ubuntu 16.04

• libde265-0 - 1.0.2-2ubuntu0.16.04.1~esm4
  Available with Ubuntu Pro

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

References

• CVE-2023-49468
• CVE-2023-49465
• CVE-2023-27102
• CVE-2023-49467
• CVE-2023-27103
• CVE-2023-47471
• CVE-2023-43887