vulnerability
Oracle Linux: CVE-2020-35111: ELSA-2020-5561-1: firefox security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Dec 15, 2020 | Dec 17, 2020 | Dec 3, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Dec 15, 2020
Added
Dec 17, 2020
Modified
Dec 3, 2025
Description
When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
The Mozilla Foundation Security Advisory describes this flaw as:
When an extension with the proxy permission registered to receive `<all_urls>`, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address.
The Mozilla Foundation Security Advisory describes this flaw as:
When an extension with the proxy permission registered to receive `<all_urls>`, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address.
Solutions
oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
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