Vulnerability Details : 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. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-29536
Probability of exploitation activity in the next 30 days: 0.29%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 66 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-29536
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-29536
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-29536
-
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html
[SECURITY] [DLA 3074-1] epiphany-browser security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N7YWVIUGFRA6GOE3QAPSJJ6EL3DJG5NX/
[SECURITY] Fedora 36 Update: epiphany-42.2-1.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5K5UPNHVWXDPSMBNSB2645MD2N5CXQS/
[SECURITY] Fedora 35 Update: epiphany-41.4-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://www.debian.org/security/2022/dsa-5208
Debian -- Security Information -- DSA-5208-1 epiphany-browserThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLLDMY4JYDZTMZSCPSY23K5YW3SQYUR6/
[SECURITY] Fedora 34 Update: epiphany-40.6-2.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106
Fix memory corruption in ephy_string_shorten() (!1106) · Merge requests · GNOME / Epiphany · GitLabIssue Tracking;Patch;Third Party Advisory
Products affected by CVE-2022-29536
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*