{"id":"CVE-2026-48131","state":"PUBLISHED","title":"VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero","description":"The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service (temporary disruption of VPN-related functionality).","publishedAt":"2026-05-26T12:56:08.817Z","updatedAt":"2026-05-26T15:18:43.287Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"checkpoint"},"assigner":"checkpoint","products":["checkpoint Quantum Security Gateway"],"affected":[{"vendor":"checkpoint","product":"Quantum Security Gateway","versions":[{"version":"R82.10 with Jumbo Hotfix Take 6 or below","status":"affected"},{"version":"R82 with Jumbo Hotfix Take 91 or below","status":"affected"},{"version":"R81.20 with Jumbo Hotfix Take 127 or below","status":"affected"},{"version":"All releases from R81.10 and below","status":"affected"}]}],"references":["https://support.checkpoint.com/results/sk/sk184981"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48131.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48131","state":"PUBLISHED","datePublished":"2026-05-26T12:56:08.817Z","dateUpdated":"2026-05-26T15:18:43.287Z","assignerShortName":"checkpoint","assignerOrgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","dateReserved":"2026-05-20T19:29:00.635Z"},"containers":{"cna":{"title":"VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero","descriptions":[{"lang":"en","value":"The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service (temporary disruption of VPN-related functionality)."}],"affected":[{"vendor":"checkpoint","product":"Quantum Security Gateway","versions":[{"version":"R82.10 with Jumbo Hotfix Take 6 or below","status":"affected"},{"version":"R82 with Jumbo Hotfix Take 91 or below","status":"affected"},{"version":"R81.20 with Jumbo Hotfix Take 127 or below","status":"affected"},{"version":"All releases from R81.10 and below","status":"affected"}]}],"references":[{"url":"https://support.checkpoint.com/results/sk/sk184981"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"checkpoint","orgId":"897c38be-0345-43cd-b6cf-fe179e0c4f45","dateUpdated":"2026-05-26T14:15:50.325Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T15:12:47.698813Z","id":"CVE-2026-48131","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T15:18:43.287Z"}}]}}}