USN-5389-1

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USN-5389-1

Summary: libcroco vulnerabilities

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)

References: https://ubuntu.com/security/notices/USN-5389-1, https://ubuntu.com/security/CVE-2017-7960, https://ubuntu.com/security/CVE-2017-8834, https://ubuntu.com/security/CVE-2017-8871, https://ubuntu.com/security/CVE-2020-12825