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CVE-2022-26485 Double free

Immediate
Remediate Within 48 Hours

CVE Information

Original CVE data

Published:
Updated:

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.

CWE: CWE-416
CVSS v2-
CVSS v38.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1758062
https://www.mozilla.org/security/advisories/mfsa2022-09/
Affected Vendors

Mozilla - (4)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Double free

CVSS Scores as calculated by PRIOnengine
CVSS v25.8
AV:N/AC:M/AU:N/C:P/I:P/A:N
CVSS v38.8
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
MITRE CWE Top 25

Vulnerability weakness type is in the top 25 CWEs according to MITRE. View Mitre Top 25 CWEs

Exploits

Exploits are available either through exploit packs, Github repos or the world wide web in general.

Active Exploitation

Vulnerability is referenced under CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

Vulnerability is mentioned or trending in social media.

Threat Actor Activity

Vulnerability is being actively exploited by threat actors during campaigns.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1499.004 - Endpoint Denial of Service (Application or System Exploitation)
T1203 - Exploitation for Client Execution
T1059 - Command and Scripting Interpreter

Compliance Impact

How the submited vulnerability affects compliance

PCI DSS v3.2.1-6.5.2 - Buffer Overflows

Web Application Security Frameworks

Applicable if the issue likely affects a web application

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