CVE-2026-55246Proof of concept (PoC) published · CISA
bincookie: Heap buffer overflow via unvalidated `num_pages` when parsing a `.binarycookies` file
CVSS score
7.8
EPSS probability
—
Risk score
0.8
Published
4 h ago
Vulnerability Timeline (Change History)
CVE-2026-55246 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 15.10.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 15.10.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 15.10.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-55246 |
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