CVE-2025-10532: Incorrect boundary conditions in the JavaScript: GC component
Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Other sources
This vulnerability affects Firefox < 143 and Firefox ESR < 140.3.
— Red Hat
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-10532?
CVE-2025-10532 has been assigned a high severity rating due to potential exploitation risks.
How do I fix CVE-2025-10532?
To fix CVE-2025-10532, update your Firefox to version 143 or higher, or Firefox ESR to version 140.3 or higher.
What specific versions of Firefox are affected by CVE-2025-10532?
CVE-2025-10532 affects Firefox versions earlier than 143 and Firefox ESR versions earlier than 140.3.
Can CVE-2025-10532 impact my web browsing experience?
Yes, CVE-2025-10532 can potentially lead to security vulnerabilities that may affect your web browsing experience.
Is CVE-2025-10532 a zero-day vulnerability?
CVE-2025-10532 is not classified as a zero-day vulnerability since it has been publicly disclosed and patches are available.