FKIE_CVE-2026-2797

Vulnerability from fkie_nvd - Published: 2026-02-24 14:16 - Updated: 2026-02-24 18:29
Severity ?
Summary
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2013561
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-13/
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-16/
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox \u003c 148 and Thunderbird \u003c 148."
    }
  ],
  "id": "CVE-2026-2797",
  "lastModified": "2026-02-24T18:29:37.870",
  "metrics": {},
  "published": "2026-02-24T14:16:28.200",
  "references": [
    {
      "source": "security@mozilla.org",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2013561"
    },
    {
      "source": "security@mozilla.org",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
    },
    {
      "source": "security@mozilla.org",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-16/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Received"
}


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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.



Detection rules are retrieved from Rulezet.