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 |