Detections
Analytics

CVE-2020-24994

high

Description

Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.

References

https://github.com/libass/libass/issues/423

https://github.com/libass/libass/issues/422#issuecomment-806002919

https://github.com/libass/libass/issues/422

https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e

Details

Source: Mitre, NVD

Published: 2021-03-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00561