CVE-2021-38593
Published: 12 August 2021
Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).
Notes
| Author | Note |
|---|---|
| leosilva | xenial/esm is not affected, code affected is not present |
| mdeslaur | code was introduced in: https://github.com/qt/qtbase/commit/6869d2463a2e0d71bd04dbc82f5d6ef4933dc510 While the patch fixes code that was only introduced in 6.0, the code in 6.0 did introduce a fix that 5.0 didn't have. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qtbase-opensource-src Launchpad, Ubuntu, Debian |
bionic |
Released
(5.9.5+dfsg-0ubuntu2.6)
|
| focal |
Released
(5.12.8+dfsg-0ubuntu2.1)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(5.15.2+dfsg-14)
|
|
| kinetic |
Not vulnerable
(5.15.2+dfsg-14)
|
|
| lunar |
Not vulnerable
(5.15.2+dfsg-14)
|
|
| mantic |
Not vulnerable
(5.15.2+dfsg-14)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862 upstream: https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd upstream: https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c |
||
|
qtbase-opensource-src-gles Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Needs triage
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |