When browsing private tabs, some data related to location history or webpage thumbnails could be persisted incorrectly within the sandboxed…

published 2024-06-13 2 y ago modified 2026-08-19 2 mo ago also EUVD-2024-37260

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

When browsing private tabs, some data related to location history or webpage thumbnails could be persisted incorrectly within the sandboxed app bundle after app termination This vulnerability affects Firefox for iOS < 127.

Patch / fix

fixed in 1

Mozilla Firefox for iOS 127

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-05)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

Mozilla Firefox for iOS

Classification

Weakness

CWE-922 Insecure Storage of Sensitive Information

References

mozilla.org /security/advisories/mfsa2024-27/
vendor-advisory
bugzilla.mozilla.org /show_bug.cgi?id=1878578
issue-tracking, permissions-required

Sources

CVE List CVE-2024-38312
NVD CVE-2024-38312

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary