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Mozilla is a nonprofit-backed software organization best known for the Firefox web browser, and it develops open-source internet technologies and privacy tools.
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Firefox 157 rolls out Mozilla's redesign, trialled for months in Nightly, to everyone on desktop and mobile. Help screenshots and walkthroughs made before this release no longer match what an updated user sees.
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VUSec disclosed Branch Target Reuse, a Spectre-v2 attack on JIT engines whose Linux exploit leaks memory at 8 bytes a second. It bypassed every enabled mitigation, and the kernel's fix had already shipped in July.
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VulnCheck counts Chrome CVEs up 563% and GitHub-issued CVEs up 476% this year, a rise it calls consistent with AI-assisted bug finding. Whether the volume lasts is unknown, so exploitation data still sets patch order.
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Intel, AMD and Arm say their IBPB barrier can block Branch Target Reuse, a Spectre v2 variant hitting all three, if JIT software calls it. Each kernel, browser and runtime that rewrites JIT code now has to add that call itself.
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Firefox's Exa-powered assistant appears only to users who switch it on, a wager that restraint sells where default-on assistants have not.
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Firefox's AI assistant is out of North America for the first time, and in French. Mistral's announcement says the browser is now powered by its models; Mozilla says it added one option among several.
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American commercial models refused to analyse some of the malicious code, so the investigators used downloadable Chinese weights instead. The Mozilla usage statistic attached to that episode counts ranks on a single marketplace.
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The add-on shipped to Mozilla's store as a dispatcher and took its instructions afterwards from a page it opened itself, on a domain built to resemble googleusercontent.com.
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The packaged firejail profile allows a Mozilla directory that Firefox stopped using at version 150, so a jail that looks hardened opens a fresh empty browser every launch, ad blocker included in the loss.
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The September 16 partnership gives Firefox's beta assistant retrieval with sources, tab grouping and history previews, and each request only sees the tabs and history you grant it. Beta coverage is the US, Canada and France.
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The year's CVE tally has reached 66,401, close to double where it stood last September, and Microsoft alone patched 974 in a single month. Jerry Gamblin, who keeps the count, says more known bugs is mostly the system working.
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A new local-only vault delegates all encryption to SOPS and age, then adds an MCP server so an assistant can act on a secret without receiving it. Adoption costs three artifacts on every machine.
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Mozilla put up the first $5 million and Hypertec added $1 million for first-year Canadian deployments on its own hardware. The published contracts are the part that would let anyone swap the pieces.
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Chrome 153 started a two-week milestone cadence, which leaves the enterprise Extended Stable channel on its old eight-week calendar carrying twice as much change per jump. Google wants most admins on Stable anyway.
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A developer who exposed createAppPair to Gemini lost the integration to a library bump. The same post argues Android Halo ships about a year before anything exists to check its neutrality promise against.
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Anthropic's red team says the scarce reverse-engineering skill that used to give defenders weeks is no longer the bottleneck. It measured that on Firefox and Windows kernel fixes, where a 19-day median gap counts as fast.
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MDN now lists the Trusted Types API as Baseline 2026, newly available. The JavaScript half only lets you sanitize; require-trusted-types-for is the part that makes an unsanitized assignment throw, and the sanitizer stays yours to write.
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Microsoft fixed 974 flaws in September and two were already under attack, but both need an attacker who is already on the machine, while the twenty bugs Dustin Childs classes as wormable need no login at all.
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Socket traced six Chrome and Firefox listings to one publisher operation whose collector reaches for Firebase access tokens and Axiom bundle keys. Chrome pulled four in July 2026. The Firefox one is still up.
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Apple's WebKit team is taking Interop 2027 proposals now, and the entry rules filter harder than the final selection does, because a gap needs a stable standard and Web Platform Test coverage before anyone weighs how much it hurts.
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