CVE-2022-29536
Publication date 20 April 2022
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| epiphany-browser | 24.04 LTS noble |
Not affected
|
| 22.04 LTS jammy |
Fixed 42.1-1ubuntu1
|
|
| 20.04 LTS focal |
Fixed 3.36.4-0ubuntu2
|
|
| 18.04 LTS bionic |
Vulnerable
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Ignored |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-5561-1
- GNOME Web vulnerabilities
- 10 August 2022