libass up to 0.13.x libass/ass_parse.c parse_tag stack-based overflow

Summaryinfo

A vulnerability was found in libass up to 0.13.x. It has been rated as critical. Impacted is the function parse_tag of the file libass/ass_parse.c. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2020-24994. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in libass up to 0.13.x. This issue affects the function parse_tag of the file libass/ass_parse.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was published 03/24/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-24994. Technical details are known, but no exploit is available.

Upgrading to version 0.14.0 eliminates this vulnerability.

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Productinfo

Name

• libass

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13

Website

• Product: https://github.com/libass/libass/

CPE 2.3info

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CPE 2.2info

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