{"id":"CVE-2025-68137","state":"PUBLISHED","title":"EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop","description":"EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in `SdpPacket::parse_header()` allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the current length subtracted by the header length which results in a negative value. This value is then interpreted as `SIZE_MAX` (or slightly less) because the expected type of the argument is `size_t`. Depending on whether the server is plain TCP or TLS, this leads to either an infinite loop or a stack buffer overflow. Version 2025.10.0 fixes the issue.","publishedAt":"2026-01-21T19:20:09.059Z","updatedAt":"2026-01-21T19:51:26.058Z","severity":{"score":8.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["EVerest everest-core"],"affected":[{"vendor":"EVerest","product":"everest-core","versions":[{"version":"< 2025.10.0","status":"affected"}]}],"references":["https://github.com/EVerest/everest-core/security/advisories/GHSA-7qq4-q9r8-wc7w"],"weaknesses":["CWE-120","CWE-835"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68137.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68137","state":"PUBLISHED","datePublished":"2026-01-21T19:20:09.059Z","dateUpdated":"2026-01-21T19:51:26.058Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-12-15T18:09:12.694Z"},"containers":{"cna":{"title":"EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop","descriptions":[{"lang":"en","value":"EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in `SdpPacket::parse_header()` allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the current length subtracted by the header length which results in a negative value. This value is then interpreted as `SIZE_MAX` (or slightly less) because the expected type of the argument is `size_t`. Depending on whether the server is plain TCP or TLS, this leads to either an infinite loop or a stack buffer overflow. Version 2025.10.0 fixes the issue."}],"affected":[{"vendor":"EVerest","product":"everest-core","versions":[{"version":"< 2025.10.0","status":"affected"}]}],"references":[{"url":"https://github.com/EVerest/everest-core/security/advisories/GHSA-7qq4-q9r8-wc7w","name":"https://github.com/EVerest/everest-core/security/advisories/GHSA-7qq4-q9r8-wc7w","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","lang":"en","description":"CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-835","lang":"en","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-21T19:20:09.059Z"},"source":{"advisory":"GHSA-7qq4-q9r8-wc7w","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-21T19:51:05.581714Z","id":"CVE-2025-68137","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-21T19:51:26.058Z"}}]}}}