Published: 07/01/2021 Updated: 11/01/2021

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

A security issue was found in Firefox prior to 84.0. The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash.

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mozilla firefox

Mozilla Foundation Security Advisory 2020-54 Security Vulnerabilities fixed in Firefox 84 Announced December 15, 2020 Impact critical Products Firefox Fixed in Firefox 84 ...

A security issue was found in Firefox before 840 The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash ...

CWE-416 https://www.mozilla.org/security/advisories/mfsa2020-54/https://bugzilla.mozilla.org/show_bug.cgi?id=1671382 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/https://security.archlinux.org/CVE-2020-26972

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CVE-2020-26972

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