Published file metadata, source observations, indicators, and research history in one bounded catalog.
Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.
1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.
Online security is constantly evolving, and thus we are excited to announce the publication of MRSP version 2.9, demonstrating that we are committed to keep up with the advancement of … Read more The post Version 2.9 of the Mozilla Root Store Policy appeared first on Mozilla Security Blog.
First reported Sep 13, 2023 17:56 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordAt Mozilla, we consider security to be a paramount aspect of the web. This is why not only does Firefox have a long running bug bounty program but also mature … Read more The post Firefox Security Response to pwn2own 2025 appeared first on Mozilla Security Blog.
First reported May 17, 2025 21:17 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordTo provide transparency into our ongoing efforts to protect your privacy and security on the Internet, we are releasing a security audit of Mozilla VPN that Cure53 conducted earlier this … Read more The post Mozilla VPN Security Audit 2023 appeared first on Mozilla Security Blog.
First reported Dec 06, 2023 17:00 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordAt Mozilla, browser security is a critical mission, and part of that mission involves responding swiftly to new threats. Tuesday, around 8 AM Eastern time, we received a heads-up from … Read more The post Behind the Scenes: Fixing an In-the-Wild Firefox Exploit appeared first on Mozilla Security Blog.
First reported Oct 11, 2024 12:14 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordMozilla remains committed to maintaining a secure, trustworthy, and transparent Web PKI. Today we are announcing the publication of Mozilla Root Store Policy (MRSP) version 3.1, effective July 1, 2026. … Read more The post Improving Transparency and Assurance in the Web PKI: Mozilla Root Store Policy v3.1 appeared first on Mozilla Security Blog.
First reported Jun 29, 2026 11:33 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordMost of the web already supports HTTPS: In fact, 93% of requests made by Firefox are already HTTPS. As a reminder, HTTP over TLS (HTTPS) fixes the security shortcoming of HTTP … Read more The post Firefox will upgrade more Mixed Content in Version 127 appeared first on Mozilla Security Blog.
First reported Jun 05, 2024 13:05 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordToday, we moved to a new GPG signing subkey used to sign certain Firefox and Thunderbird artifacts (namely Linux tarballs, RPM packages, checksums files) after an unencrypted copy of the … Read more The post Updated GPG key for signing Firefox and Thunderbird Releases appeared first on Mozilla Security Blog.
First reported Aug 10, 2026 18:37 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordThe GPG key used to sign the Firefox release manifests is expiring soon, and so we’re going to be switching over to a new signing subkey shortly. The GPG fingerprint … Read more The post Updated GPG key for signing Firefox Releases appeared first on Mozilla Security Blog.
First reported Apr 01, 2025 08:31 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordMozilla remains committed to fostering a secure, agile, and transparent Web PKI ecosystem. The new Mozilla Root Store Policy (MRSP) v3.0, effective March 15, 2025, introduces critical updates to strengthen … Read more The post Enhancing CA Practices: Key Updates in Mozilla Root Store Policy, v3.0 appeared first on Mozilla Security Blog.
First reported Mar 12, 2025 16:14 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordAt Mozilla, we believe in an open web that is safe to use. To that end, we improve and maintain the security of people using Firefox around the world. This … Read more The post Rapidly Leveling up Firefox Security appeared first on Mozilla Security Blog.
First reported Apr 04, 2024 19:27 UTCCatalog metadata updated Oct 08, 2026 03:48 UTCOpen evidence recordA filename, label, or report mention alone does not establish maliciousness. Observation dates describe cited sources; collection dates describe this local metadata catalog. No malware samples are stored, fetched, or executed by these pages.