Vulnerability · Published Dec 18, 2025 · Assigned by mozilla

CVE-2025-14744Filename spoofing via Unicode Right-to-Left Override in Firefox for iOS

Medium 6.5

In plain English

A medium-severity security flaw in Firefox for iOS from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 89.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2025-14744
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2025-14744
Ubuntu:24.04:LTSmozjs115no fix listedUBUNTU-CVE-2025-14744
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2025-14744
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2025-14744
Ubuntu:22.04:LTSthunderbirdno fix listedUBUNTU-CVE-2025-14744

Affected products (as reported)

VendorProductVersions
Mozilla Firefox for iOS see references

Weakness: CWE-451 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References