CVE-2022-26485

Mozilla Firefox Use-After-Free Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

La eliminación de un parámetro XSLT durante el procesamiento podría haber dado lugar a un use-after-free explotable. Hemos recibido informes de ataques en la naturaleza que abusan de esta falla. Esta vulnerabilidad afecta a Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox para Android < 97.3.0, Thunderbird < 91.6.2 y Focus < 97.3.0.

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Removing an XSLT parameter during processing could have led to an exploitable use-after-free issue. There were reports of attacks in the wild abusing this flaw.

Mozilla Firefox contains a use-after-free vulnerability in XSLT parameter processing which can be exploited to perform arbitrary code execution.

*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

2022-03-04 CVE Reserved
2022-03-07 CVE Published
2022-03-07 Exploited in Wild
2022-03-21 KEV Due Date
2023-01-31 First Exploit
2024-08-03 CVE Updated
2024-11-07 EPSS Updated

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://github.com/mistymntncop/CVE-2022-26485	2023-01-31
https://bugzilla.mozilla.org/show_bug.cgi?id=1758062	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-09	2022-12-30
https://access.redhat.com/security/cve/CVE-2022-26485	2022-03-14
https://bugzilla.redhat.com/show_bug.cgi?id=2061736	2022-03-14

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"				< 97.0.2 Search vendor "Mozilla" for product "Firefox" and version " < 97.0.2"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 97.3.0 Search vendor "Mozilla" for product "Firefox" and version " < 97.3.0"		android		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.6.1 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.6.1"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Focus Search vendor "Mozilla" for product "Firefox Focus"				< 97.3.0 Search vendor "Mozilla" for product "Firefox Focus" and version " < 97.3.0"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.6.2 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.6.2"		-		Affected