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CVE-2026-6678

Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9f28118039c478e7c65bd5ff5154b9cfbae2bdfe0425c9c8e7b52eff10c4c500
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/wolfSSL/wolfssl","defaultStatus":"unaffected","product":"wolfSSL","vendor":"wolfSSL","versions":[{"lessThanOrEqual":"5.9.1","status":"affected","version":"3.15.5","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":1,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"CLEAR","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["patch"],"url":"https://github.com/wolfSSL/wolfssl/pull/10203"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/cna/references/0
{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2408"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/adp/1/references/0
{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9f9961bf7ff3f18a0e00e41f13734b3bf25df4a3fa6b451b653923cd04337b6e · sha256:64dc552998602b9d… · /containers/cna/references/1

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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