USN-5389-1: Libcroco vulnerabilities

Related Vulnerabilities: CVE-2017-7960   CVE-2017-8834   CVE-2017-8871   CVE-2020-12825  

Several security issues were fixed in Libcroco.

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)

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. (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)