CVE-2020-26682 — Integer Overflow or Wraparound in Libass

CWE-190 — Integer Overflow or Wraparound7 documents5 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 36.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Libass Project LibassDebian Libass
Timeline
PublishedOct 16
Latest updateMay 24

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/libass< libass 1:0.15.0-1 (bookworm)
▶Debianlibass_project/libass< 1:0.15.0-1+3

🔴Vulnerability Details

2
GHSA
GHSA-87rf-m79q-qqqf: In libass 0↗2022-05-24
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OSV
CVE-2020-26682: In libass 0↗2020-10-16
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📋Vendor Advisories

1
Debian
CVE-2020-26682: libass - In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes ...↗2020
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💬Community

3
Bugzilla
CVE-2020-26682 libass: in`ass_outline_construct`'s call to `outline_stroke` a signed integer overflow could result in undefined behaviour↗2020-10-01
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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]↗2020-10-01
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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]↗2020-10-01
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