CVE-2020-36430: 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…

PriorityP337high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

1.07%

61.3th percentile

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.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	libass	< libass 1:0.15.0-2 (bookworm)	libass 1:0.15.0-2 (bookworm)
fedoraproject	fedora	—	—
libass_project	libass	>= 0 < 1:0.15.0-2	1:0.15.0-2
libass_project	libass	>= 0 < 1:0.15.0-2	1:0.15.0-2
libass_project	libass	>= 0 < 1:0.15.0-2	1:0.15.0-2
libass_project	libass	>= 0 < 1:0.15.0-2	1:0.15.0-2
libass_project	libass	>= 0.15.0 < 0.15.1	0.15.1

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8HIGH

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