CVE-2026-16377 (GCVE-0-2026-16377)
Vulnerability from cvelistv5
Published
2026-07-21 12:37
Modified
2026-07-22 19:18
Severity ?
Summary
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.13
Unaffected: 153
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   Mozilla Thunderbird Unaffected: 140.13
Unaffected: 153
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Show details on NVD website


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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