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CVE-2026-26076

ntpd-rs is a full-featured implementation of the Network Time Protocol. Prior to 1.7.1, an attacker can remotely induce moderate increases (2-4 times above normal) in cpu usage. When having NTS enabled on an ntpd-rs server, an attacker can create malformed NTS packets that take significantly more effort for the server to respond to by requesting a large number of cookies. This can lead to degraded server performance even when a server could otherwise handle the load. This vulnerability is fixed
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:46a789fb77e8e710dbe423590b4f9980fb093eabbb2319bceff0407e529e2d47
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"ntpd-rs","vendor":"pendulum-project","versions":[{"status":"affected","version":"< 1.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/pendulum-project/ntpd-rs/commit/fa73af14d17b666b1142b9fee3ba22c18a841d24","tags":["x_refsource_MISC"],"url":"https://github.com/pendulum-project/ntpd-rs/commit/fa73af14d17b666b1142b9fee3ba22c18a841d24"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/references/1
{"name":"https://github.com/pendulum-project/ntpd-rs/releases/tag/v1.7.1","tags":["x_refsource_MISC"],"url":"https://github.com/pendulum-project/ntpd-rs/releases/tag/v1.7.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/references/2
{"name":"https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-c7j7-rmvr-fjmv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-c7j7-rmvr-fjmv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b445dce980003afe32d77f7fc67392e63cb7958afdcffad5c9a51967baabd6c · sha256:a741d49dea51c325… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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