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Ubuntu Security Notice USN-6677-1
March 05, 2024
libde265 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in libde265.
Software Description:
- 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 LTS:
   libde265-0                      1.0.8-1ubuntu0.3
Ubuntu 20.04 LTS:
   libde265-0                      1.0.4-1ubuntu0.4
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   libde265-0                      1.0.2-2ubuntu0.18.04.1~esm4
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   libde265-0                      1.0.2-2ubuntu0.16.04.1~esm4
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6677-1
   CVE-2023-27102, CVE-2023-27103, CVE-2023-43887, CVE-2023-47471,
   CVE-2023-49465, CVE-2023-49467, CVE-2023-49468
Package Information:
   https://launchpad.net/ubuntu/+source/libde265/1.0.12-2ubuntu0.1
   https://launchpad.net/ubuntu/+source/libde265/1.0.8-1ubuntu0.3
   https://launchpad.net/ubuntu/+source/libde265/1.0.4-1ubuntu0.4