CVE-2026-2776 (GCVE-0-2026-2776)

Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-02-24 13:33
VLAI?
Title
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software
Summary
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 148 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 115.33 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 140.8 (custom)
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Credits
Sajeeb Lohani
Show details on NVD website
To clipboard 

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            }
          ],
          "value": "Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability affects Firefox \u003c 148, Firefox ESR \u003c 115.33, and Firefox ESR \u003c 140.8."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T13:33:12.247Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2015266"
        },
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
        },
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        },
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        }
      ],
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    "datePublished": "2026-02-24T13:33:12.247Z",
    "dateReserved": "2026-02-19T15:06:01.828Z",
    "dateUpdated": "2026-02-24T13:33:12.247Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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