CVE-2022-29536

HIGH

Gnome Epiphany < 41.4 - Out-of-Bounds Write

Title source: rule

Description

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)

[Issue Tracking, Patch, Third Party Advisory] https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5208

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/

Scores

CVSS v3 7.5

EPSS 0.0015

EPSS Percentile 35.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-787

Status published

Affected Products (6)

gnome/epiphany < 41.4

fedoraproject/fedora

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

debian/debian_linux

Timeline

Published Apr 20, 2022

Tracked Since Feb 18, 2026