CVE detail
CVE-2026-0889
Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
- https://www.mozilla.org/security/advisories/mfsa2026-04/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJan 13, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-01/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJan 13, 2026, 2:16 PM - https://bugzilla.mozilla.org/show_bug.cgi?id=1999084bugzilla.mozilla.org
No excerpt available.
Exploitbugzilla.mozilla.orgJan 13, 2026, 2:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
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- CVE-2026-12319CVSS 6.5 · Medium
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- CVE-2026-8968CVSS 7.5 · High
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- CVE-2026-6781CVSS 7.5 · High
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
- CVE-2026-6780CVSS 7.5 · High
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.