CVE-2022-29536: debian debian_linux Out-of-bounds Write
CVSS: 7.5v3.1HighModified
AliasesMGASA-2022-0382UBUNTU-CVE-2022-29536DEBIAN-CVE-2022-29536DSA-5208-1openSUSE-SU-2024:12025-1
Published 20-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-29536 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.05% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 20-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.05%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.05% on 19-09-2026
19-09-202619-10-2026
EPSS score2.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- epiphany-browser< 3.38.2-1+deb11u3 | < 42.2-1
- debian_linuxEOL10.0 | 11.0
Fedoraproject1 product
- fedoraEOL34 | 35 | 36
Gnome1 product
- epiphany< 41.4 | ≥ 42.0, < 42.2
Mageia1 product
- epiphany< 3.38.2-1.2.mga8
Opensuse1 product
- epiphany&distro=openSUSE Tumbleweed< 42.2-1.1
Ubuntu1 product
- epiphany-browserAll versions (No fix recorded) | < 3.36.4-0ubuntu2 | < 42.1-1ubuntu1
6 vendors · 7 products
References
14 links- gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106X Refsource MISCREPORTIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/08/msg00006.htmlMailing ListX Refsource MLISTThird Party Advisory