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CVE-2026-22263

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, inefficiency in http1 headers parsing can lead to slowdown over multiple packets. Version 8.0.3 patches the issue. No known workarounds are available.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4fdad377409ca43ba9f3d8614f18e358f5e149edb327946ceb58f5b5cf5a47f3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"suricata","vendor":"OISF","versions":[{"status":"affected","version":">= 8.0.0, < 8.0.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1050","description":"CWE-1050: Excessive Platform Resource Consumption within a Loop","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/references/1
{"name":"https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/references/0
{"name":"https://redmine.openinfosecfoundation.org/issues/8201","tags":["x_refsource_MISC"],"url":"https://redmine.openinfosecfoundation.org/issues/8201"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:286d76d044d4c7cd84cfbbaa50b826927f493e8372273d8e6632c07d80789814 · sha256:a50b93e5de42443b… · /containers/cna/references/2

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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