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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | epiphany-browser | 42.2-1 | — |
| Debian 13 | epiphany-browser | 42.2-1 | — |
| Debian 12 | epiphany-browser | 42.2-1 | — |
| Debian 11 | epiphany-browser | 3.38.2-1+deb11u3 | DSA-5208-1 |
| Debian 10 | epiphany-browser | 3.32.1.2-3~deb10u2 | DLA-3074-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | epiphany-browser | 42.1-1ubuntu1 | USN-5561-1 |
| Ubuntu 20.04 LTS | epiphany-browser | 3.36.4-0ubuntu2 | USN-5561-1 |
| Ubuntu 18.04 LTS | epiphany-browser | No fix yet | — |
| Ubuntu 16.04 LTS | epiphany-browser | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | epiphany | 42.2-1.1 | openSUSE-SU-2024:12025-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | epiphany | 42.2-r0 | — |
| Alpine v3.23 | epiphany | 42.2-r0 | — |
| Alpine v3.22 | epiphany | 42.2-r0 | — |
| Alpine v3.21 | epiphany | 42.2-r0 | — |
| Alpine v3.20 | epiphany | 42.2-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | epiphany | 42.2-r0 | — |
| Alpine v3.18 | epiphany | 42.2-r0 | — |
| Alpine v3.17 | epiphany | 42.2-r0 | — |
| Alpine v3.16 | epiphany | 42.2-r0 | — |
Advisories 6
- USN-5561-1 epiphany-browser vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5208-1 epiphany-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3074-1 epiphany-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:12025-1 epiphany-42.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-24-046-11 Siemens SCALANCE XCM-/XRM-300 CISA ICS & IT advisories · Feb 13, 2024
- SSA-806742 SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4 Siemens ProductCERT · Feb 13, 2024
References
- https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106
- FEDORA-2022-ad26447c98 vendor-advisory
- FEDORA-2022-22b85a45cb vendor-advisory
- FEDORA-2022-88690c6188 vendor-advisory
- DSA-5208 vendor-advisory
- [debian-lts-announce] 20220818 [SECURITY] [DLA 3074-1] epiphany-browser security update mailing-list