CVE-2020-26682
published 2020-10-16CVE-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
1.81%
76.2th percentile
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
Affected
6 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 |
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
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Debian
CVE-2020-26682: libass - In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes ...
vendor_debian·2020·CVSS 8.8
CVE-2020-26682 [HIGH] CVE-2020-26682: libass - In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes ...
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
Scope: local
bookworm: resolved (fixed in 1:0.15.0-1)
bullseye: resolved (fixed in 1:0.15.0-1)
forky: resolved (fixed in 1:0.15.0-1)
sid: resolved (fixed in 1:0.15.0-1)
trixie: resolved (fixed in 1:0.15.0-1)
GHSA
GHSA-87rf-m79q-qqqf: In libass 0
ghsa_unreviewed·2022-05-24
CVE-2020-26682 [HIGH] CWE-190 GHSA-87rf-m79q-qqqf: In libass 0
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
OSV
CVE-2020-26682: In libass 0
osv·2020-10-16·CVSS 8.8
CVE-2020-26682 [HIGH] CVE-2020-26682: In libass 0
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour
bugzilla·2020-10-01·CVSS 8.8
CVE-2020-26682 [HIGH] CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour
In `ass_outline_construct`'s call to `outline_stroke` a signed integer
overflow happens leading to undefined behaviour.
Discussion:
External References:
https://github.com/libass/libass/issues/431
https://github.com/libass/libass/pull/432
---
Created libass tracking bugs for this issue:
Affects: epel-all [bug 1884109]
Affects: fedora-all [bug 1884108]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [epel-all]
bugzilla·2020-10-01·CVSS 8.8
CVE-2020-26682 [HIGH] CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [epel-all]
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg
Bugzilla
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [fedora-all]
bugzilla·2020-10-01·CVSS 8.8
CVE-2020-26682 [HIGH] CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [fedora-all]
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fed
http://www.openwall.com/lists/oss-security/2020/11/19/7https://github.com/libass/libass/issues/431https://github.com/libass/libass/pull/432https://security.gentoo.org/glsa/202012-12http://www.openwall.com/lists/oss-security/2020/11/19/7https://github.com/libass/libass/issues/431https://github.com/libass/libass/pull/432https://security.gentoo.org/glsa/202012-12
2020-10-16
Published