// For flags

CVE-2022-26485

Mozilla Firefox Use-After-Free Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*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 &lt; 97.0.2, Firefox ESR &lt; 91.6.1, Firefox para Android &lt; 97.3.0, Thunderbird &lt; 91.6.2 y Focus &lt; 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
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
  • 2024-11-20 EPSS Updated
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 97.0.2
Search vendor "Mozilla" for product "Firefox" and version " < 97.0.2"
-
Affected
Mozilla
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Firefox
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< 97.3.0
Search vendor "Mozilla" for product "Firefox" and version " < 97.3.0"
android
Affected
Mozilla
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Firefox Esr
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< 91.6.1
Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.6.1"
-
Affected
Mozilla
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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
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Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 91.6.2
Search vendor "Mozilla" for product "Thunderbird" and version " < 91.6.2"
-
Affected