CVE-2021-29970

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

CVSS v3 8.8 HIGH
CVSS v2.0 5.1 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1709976	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202202-03	Third Party Advisory
https://security.gentoo.org/glsa/202208-14	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-28/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-29/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-30/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

No history.

Information

Published : 2021-08-05 20:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-29970

Mitre link : CVE-2021-29970

CVE.ORG link : CVE-2021-29970

JSON object : View

Products Affected

mozilla

firefox
thunderbird
firefox_esr

CWE

CWE-416

Use After Free

CWE-787

Out-of-bounds Write

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