CVE-2022-22747

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
Mozilla	Firefox ESR	>= unspecified, < 91.5
Mozilla	Firefox	>= unspecified, < 96
Mozilla	Thunderbird	>= unspecified, < 91.5

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1735028Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1735028Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2022

CVE-2022-227486.5Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL pr CVE-2022-227494.3When scanning QR codes, Firefox for Android would have allowed navigation to some URLs that do not point to web content.<br>*This bug only a CVE-2022-22754.3The WP Edit Menu WordPress plugin before 1.5.0 does not have CSRF in an AJAX action, which could allow attackers to make a logged in admin d CVE-2022-227506.5By generally accepting and passing resource handles across processes, a compromised content process might have confused higher privileged pr CVE-2022-227518.8Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve CVE-2022-227528.8Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. Some of these bugs showed evidence CVE-2022-227537.1A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrar CVE-2022-227546.5If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt wh CVE-2022-227558.8By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within th CVE-2022-227568.8If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an exe CVE-2022-227576.5Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to th CVE-2022-227588.8When clicking on a tel: link, USSD codes, specified after a <code>\*</code> character, would be included in the phone number. On certain pho