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CVE-2025-70559

pdfminer.six before 20251230 contains an insecure deserialization vulnerability in the CMap loading mechanism. The library uses Python pickle to deserialize CMap cache files without validation. An attacker with the ability to place a malicious pickle file in a location accessible to the application can trigger arbitrary code execution or privilege escalation when the file is loaded by a trusted process. This is caused by an incomplete patch to CVE-2025-64512.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d857e6187f0d3281bab395bca97afef3e259621971e5c51eb002aac778ff0a76
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

{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/adp/0/problemTypes/0/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/cna/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:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://github.com/advisories/GHSA-f83h-ghpp-7wcc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /containers/cna/references/1
{"url":"https://github.com/pdfminer/pdfminer.six/security/advisories/GHSA-f83h-ghpp-7wcc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e76a0ecd13167895dc68a3f4617e92d2f70f499cf2f35596d4cf1199c07e4883 · sha256:eac4e8cf8dd50263… · /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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