Buffer overflow in Firefox ESR and Mozilla Firefox - #VU50378

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error withing the Angle graphics library when calculating depth pitch for compressed textures. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Remediation

External References

• https://www.mozilla.org/en-US/security/advisories/mfsa2021-06/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1676636

Related Security Bulletins

• Remote code execution in Mozilla Firefox and Firefox ESR