CVE-2020-16044

Mozilla: Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk

Loading…

Severity

Critical

Red Hat Product Security

8.8

CVSS 3.0

Review impact separately from score.

Published · January 6, 2021

Updated · November 22, 2025

Description

Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet.

Statement

Regarding Thunderbird: in general this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it is potentially a risk in browser or browser-like contexts.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 · Use After Free