CVE-2022-22740

Mozilla: Use-after-free of ChannelEventQueue::mOwner

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Ciertos objetos de solicitud de red se liberaron demasiado pronto al liberar un identificador de solicitud de red. Esto podría haber dado lugar a un use-after-free que provocaría un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR < 91.5, Firefox < 96 y Thunderbird < 91.5.

The Mozilla Foundation Security Advisory describes this flaw as:

Certain network request objects were freed too early when releasing a network request handle. This could have led to a use-after-free issue, causing a potentially exploitable crash.

*Credits: N/A

CVSS Scores

NISTv3.1 8.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-07 CVE Reserved
2022-01-13 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1742334	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-01	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-02	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-03	2022-12-29
https://access.redhat.com/security/cve/CVE-2022-22740	2022-01-12
https://bugzilla.redhat.com/show_bug.cgi?id=2039565	2022-01-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 96.0 Search vendor "Mozilla" for product "Firefox" and version " < 96.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.5 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.5"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.5 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.5"		-		Affected