USN-6958-1: Libcroco vulnerabilities
13 August 2024
Several security issues were fixed in Libcroco.
Releases
Packages
- libcroco - Cascading Style Sheet (CSS) parsing and manipulation toolkit
Details
It was discovered that Libcroco was incorrectly accessing data structures
when reading bytes from memory, which could cause a heap buffer overflow.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS. (CVE-2017-7960)
It was discovered that Libcroco was incorrectly handling invalid UTF-8
values when processing CSS files. An attacker could possibly use this
issue to cause a denial of service. (CVE-2017-8834, CVE-2017-8871)
It was discovered that Libcroco was incorrectly implementing recursion in
one of its parsing functions, which could cause an infinite recursion
loop and a stack overflow due to stack consumption. An attacker could
possibly use this issue to cause a denial of service. (CVE-2020-12825)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
-
libcroco-tools
-
0.6.12-2ubuntu0.1~esm1
Available with Ubuntu Pro
-
libcroco3
-
0.6.12-2ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 14.04
-
libcroco-tools
-
0.6.8-2ubuntu1+esm1
Available with Ubuntu Pro
-
libcroco3
-
0.6.8-2ubuntu1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-5389-1: libcroco3, libcroco, libcroco3-dev, libcroco-tools