Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Affecting firefox-esr package, versions <91.11.0esr-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.36% (72nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-FIREFOXESR-2936697
- published 29 Jun 2022
- disclosed 22 Dec 2022
Introduced: 29 Jun 2022
CVE-2022-2200 Open this link in a new tabHow to fix?
Upgrade Debian:12 firefox-esr to version 91.11.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.