CVE-2021-38510

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-38510

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-38510.html

OS impact

OSVersionStatusFixed in
arch archfixed91.3.0-1
suse slesaffected
debian debiansidfixed0
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiantrixiefixed0

References

Verify integrity in audit chain (admin only). AS-IS.