CVE-2020-15651

MEDIUM 4.3CVE-2020-15651 · Published 10/08/2020 · updated 17/06/2026

In short

CVE-2020-15651 is a MEDIUM (CVSS 4.3) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.58%, higher than 48.0% of all vulnerabilities.
Fix: update to 28.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 28.0`	`28.0`

Description

A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS < 28.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2020-34 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 28.0

28.0

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