CVE-2022-29536
Published: 20 April 2022
In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
epiphany-browser Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
| bionic |
Needed
|
|
| focal |
Released
(3.36.4-0ubuntu2)
|
|
| xenial |
Needs triage
|
|
| kinetic |
Not vulnerable
(42.4-1)
|
|
| lunar |
Not vulnerable
(42.4-1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| jammy |
Released
(42.1-1ubuntu1)
|
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 |