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CVE-2025-65637

A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. Due to limitations in the internal bufio.Scanner, the read fails with "token too long" and the writer pipe is closed, leaving Writer() unusable and causing application unavailability (DoS). This affects versions < 1.8.3, 1.9.0, and 1.9.2. The issue is fixed in 1.8.3, 1.9.1, and 1.9.3+, where the input is chunked and the writer
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3106ca6946d8134a4bbff689399c92850e529ecc862fe2523e135581f3063561
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

8 source assertions
{"url":"https://github.com/mjuanxd/logrus-dos-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/0
{"url":"https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/7
{"url":"https://github.com/sirupsen/logrus/issues/1370"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/1
{"url":"https://github.com/sirupsen/logrus/pull/1376"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/2
{"url":"https://github.com/sirupsen/logrus/releases/tag/v1.8.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/3
{"url":"https://github.com/sirupsen/logrus/releases/tag/v1.9.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/4
{"url":"https://github.com/sirupsen/logrus/releases/tag/v1.9.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/5
{"url":"https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSIRUPSENLOGRUS-5564391"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a81fd482663ecaa9cdb274aea46486478061a401b74de36066a4d7dcbb2ad371 · sha256:fc3c8db66a23ba34… · /containers/cna/references/6

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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