CVE-2020-26682: In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.

PriorityP341high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

1.80%

78.4th percentile

In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.

Affected

7 ranges

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

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/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

osv8.8HIGH

vendor_debian8.8HIGH

vendor_ubuntu8.8HIGH

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