CVE-2022-29536
HIGHGNOME Epiphany < 41.4 and 42.x < 42.2 - Out-of-bounds Write via Long Page Title
Title source: llmDescription
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.
References (6)
Core 6
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2022/dsa-5208
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html
Scores
CVSS v3
7.5
EPSS
0.0015
EPSS Percentile
35.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-787
Status
published
Products (6)
debian/debian_linux
10.0
debian/debian_linux
11.0
fedoraproject/fedora
34
fedoraproject/fedora
35
fedoraproject/fedora
36
gnome/epiphany
< 41.4
Published
Apr 20, 2022
Tracked Since
Feb 18, 2026