{"id":"CVE-2026-32605","state":"PUBLISHED","title":"Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer","description":"nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer == validators.num_validators(). ProposalSender::send uses > instead of >= for the signer bounds check, so the equality case passes and reaches validators.get_validator_by_slot_band(signer), which panics with an out-of-bounds index before any signature verification runs. This issue has been fixed in version 1.3.0.","publishedAt":"2026-04-13T18:54:58.542Z","updatedAt":"2026-04-16T13:26:40.930Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nimiq core-rs-albatross"],"affected":[{"vendor":"nimiq","product":"core-rs-albatross","versions":[{"version":"< 1.3.0","status":"affected"}]}],"references":["https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-g99c-h7j7-rfhv","https://github.com/nimiq/core-rs-albatross/pull/3661","https://github.com/nimiq/core-rs-albatross/commit/9199364b60c7acae4219800d194bbe07d2997b8c","https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0"],"weaknesses":["CWE-125","CWE-193"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/32xxx/CVE-2026-32605.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32605","state":"PUBLISHED","datePublished":"2026-04-13T18:54:58.542Z","dateUpdated":"2026-04-16T13:26:40.930Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-12T14:54:24.270Z"},"containers":{"cna":{"title":"Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer","descriptions":[{"lang":"en","value":"nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer == validators.num_validators(). ProposalSender::send uses > instead of >= for the signer bounds check, so the equality case passes and reaches validators.get_validator_by_slot_band(signer), which panics with an out-of-bounds index before any signature verification runs. This issue has been fixed in version 1.3.0."}],"affected":[{"vendor":"nimiq","product":"core-rs-albatross","versions":[{"version":"< 1.3.0","status":"affected"}]}],"references":[{"url":"https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-g99c-h7j7-rfhv","name":"https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-g99c-h7j7-rfhv","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nimiq/core-rs-albatross/pull/3661","name":"https://github.com/nimiq/core-rs-albatross/pull/3661","tags":["x_refsource_MISC"]},{"url":"https://github.com/nimiq/core-rs-albatross/commit/9199364b60c7acae4219800d194bbe07d2997b8c","name":"https://github.com/nimiq/core-rs-albatross/commit/9199364b60c7acae4219800d194bbe07d2997b8c","tags":["x_refsource_MISC"]},{"url":"https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0","name":"https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-193","lang":"en","description":"CWE-193: Off-by-one Error","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-13T18:54:58.542Z"},"source":{"advisory":"GHSA-g99c-h7j7-rfhv","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-32605","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-04-16T13:20:25.349665Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-16T13:26:40.930Z"}}]}}}