Checked fact 42518 Nov 2026Safety and security

Mozilla Foundation Security Advisory 2026-118, 'Security Vulnerabilities fixed in Firefox 159', is dated 27 October 2026 and lists 167 vulnerabilities.

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Mozilla Foundation Security Advisory 2026-118 Security Vulnerabilities fixed in Firefox 159 Announced October 27, 2026 Impact high Products Firefox Fixed in Firefox 159

What the source said when we opened it, on 8 Nov 2026.

The source

Security Vulnerabilities fixed in Firefox 159 (MFSA 2026-118)
Mozilla · 2026-10-27

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Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

GPT-6 Cyber found novel Firefox bugs and helped land fixes, Mozilla's Grinstead says 8 Nov 2026

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“Mozilla Foundation Security Advisory 2026-118, 'Security Vulnerabilities fixed in Firefox 159', is dated 27 October 2026 and lists 167 vulnerabilities.” ai notis, checked 8 Nov 2026. Source: Security Vulnerabilities fixed in Firefox 159 (MFSA 2026-118) (Mozilla). https://ainotis.com/c/4251

As a reference (APA style)

ai notis. (2026, November 8). Mozilla Foundation Security Advisory 2026-118, 'Security Vulnerabilities fixed in Firefox 159', is dated 27 October 2026 and lists 167 vulnerabilities [Checked claim 4251]. ai notis. https://ainotis.com/c/4251

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