JLSEC-2026-154 High 8.8

JLSEC-2026-154

JLSEC Published: Apr 20, 2026
Modified: Jul 23, 2026
Severity: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Packages: libass_jll < 0.15.1+0
Upstream: CVE-2020-24994

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/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e
https://github.com/libass/libass/issues/422
https://github.com/libass/libass/issues/422#issuecomment-806002919
https://github.com/libass/libass/issues/423