Vulnerability · Published Dec 16, 2021 · Assigned by mitre
CVE-2021-45087
Medium 6.1
In plain English
A medium-severity security flaw in the epiphany package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.6%top 24.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | epiphany | 41.3-r0 | ALPINE-CVE-2021-45087 |
| Alpine:v3.21 | epiphany | 41.3-r0 | ALPINE-CVE-2021-45087 |
| Alpine:v3.22 | epiphany | 41.3-r0 | ALPINE-CVE-2021-45087 |
| Alpine:v3.23 | epiphany | 41.3-r0 | ALPINE-CVE-2021-45087 |
| Alpine:v3.24 | epiphany | 41.3-r0 | ALPINE-CVE-2021-45087 |
| Debian:12 | epiphany-browser | 41.2-1 | DEBIAN-CVE-2021-45087 |
| Debian:13 | epiphany-browser | 41.2-1 | DEBIAN-CVE-2021-45087 |
| Debian:14 | epiphany-browser | 41.2-1 | DEBIAN-CVE-2021-45087 |
| Ubuntu:22.04:LTS | epiphany-browser | 42.1-1ubuntu1 | USN-5561-1 |
Affected products (as reported)
References
- https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612 x_refsource_MISC
- https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045 x_refsource_MISC
- DSA-5042 vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20220818 [SECURITY] [DLA 3074-1] epiphany-browser security update mailing-list, x_refsource_MLIST