Vulnerability DatabaseCVE-2022-29536
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CVE-2022-29536
April 20, 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.
Related Resources (12)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/
https://security-tracker.debian.org/tracker/CVE-2022-29536
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-29536
https://www.debian.org/security/2022/dsa-5208
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html
https://security.alpinelinux.org/vuln/CVE-2022-29536
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
EPSS
Base Score:
0.15