CVE-2023-6872 json
Browser tab titles were being leaked by GNOME to system logs.
published 2023-12-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59076
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.
Patch / fix
- Mozilla Firefox 121
- firefox Ubuntu 20.04 LTS 121.0+build1-0ubuntu0.20.04.1
ubuntu advisories UBUNTU-CVE-2023-6872
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 121.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:13531-1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1849186 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Mozilla Firefox
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1849186
exploit, issue-tracking
-
mozilla.org
/security/advisories/mfsa2023-56/
vendor-advisory
-
security.gentoo.org
/glsa/202401-10
third-party-advisory
Sources
- CVE List CVE-2023-6872
- NVD CVE-2023-6872
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