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CVE-2025-8291

The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory (EOCD) Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record would be assumed to be the previous record in the ZIP archive. This could be abused to create ZIP archives that are handled differently by the 'zipfile' module compared to other ZIP implementations. Remediation maintains this behavior, but checks that the offset specified in the ZIP64 EOCD Loc
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b6520a5d07c86b1b2df964abe9d19795cbe23c633866204641f16bfb84844e13
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"CPython","repo":"https://github.com/python/cpython","vendor":"Python Software Foundation","versions":[{"lessThan":"3.9.24","status":"affected","version":"0","versionType":"python"},{"lessThan":"3.10.19","status":"affected","version":"3.10.0","versionType":"python"},{"lessThan":"3.11.14","status":"affected","version":"3.11.0","versionType":"python"},{"lessThan":"3.12.12","status":"affected","version":"3.12.0","versionType":"python"},{"lessThan":"3.13.10","status":"affected","version":"3.13.0","versionType":"python"},{"lessThan":"3.14.1","status":"affecte…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1285","description":"CWE-1285 Improper Validation of Specified Index, Position, or Offset in Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

12 source assertions
{"tags":["technical-description","exploit"],"url":"https://github.com/google/security-research/security/advisories/GHSA-hhv7-p4pg-wm6p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/adp/0/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2025-12.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/adp/0/references/0
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/162997bb70e067668c039700141770687bc8f267"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/3
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/1d29afb0d6218aa8fb5e1e4a6133a4778d89bb46"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/5
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/333d4a6f4967d3ace91492a39ededbcf3faa76a6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/76437ac248ad8ca44e9bf697b02b1e2241df2196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/6
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/8392b2f0d35678407d9ce7d95655a5b77de161b4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/bca11ae7d575d87ed93f5dd6a313be6246e3e388"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/8
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/d11e69d6203080e3ec450446bfed0516727b85c3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/9
{"tags":["issue-tracking"],"url":"https://github.com/python/cpython/issues/139700"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/2
{"tags":["patch"],"url":"https://github.com/python/cpython/pull/139702"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/QECOPWMTH4VPPJAXAH2BGTA4XADOP62G/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684ca4322b72177a4fe99cfa89b33a9e8a703c14a2c98315f67d0b0b46c7c0a4 · sha256:d47cfb461ac35d54… · /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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