CVE-2020-36430

High

Description

libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Libass

PublishedJul 20, 2021

First seenJul 20, 2021

How to fix

Update

libass_project libass0.15.1 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/
security.gentoo.org/glsa/202208-13

Affected products

Product	Affected versions	Fixed in
libass_project libass	0.15.0 ≤ v < 0.15.1	0.15.1
fedoraproject fedora	34	—

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