High severity · published Apr 20, 2022
CVE-2022-29536
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
7.5
CVSS
2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
EP
Epiphany · Gnome
before 41.4; 42.0 before 42.2 · source: NVD
FE
Fedora · Fedoraproject
34; 35; 36 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-29536
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-29536
Issue Tracking
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106
Mailing List
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5208
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