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CVE-2026-11972

When using the "tarfile" module with a file opened in "streaming mode" (mode="r|") the tarfile module did not properly handle EOF, making archive parsing take exponentially longer.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6d8473d1e73e3b23ed579220d889a54d4d4044e0bd1e65aa2c0e8afc78546d48
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-252","description":"CWE-252","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"CWE-770","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/2

{"cweId":"CWE-606","description":"CWE-606","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","modules":["tarfile"],"product":"CPython","repo":"https://github.com/python/cpython","vendor":"Python Software Foundation","versions":[{"lessThan":"3.15.0b4","status":"affected","version":"0","versionType":"python"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-252","description":"CWE-252","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"CWE-770","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/2
{"cweId":"CWE-606","description":"CWE-606","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/problemTypes/0/descriptions/1

Source references

9 source assertions
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/3f031d431f80668e14f3bc066bbf4369cd9281b9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/3
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/4ce6bf7c8aa7725828a38981c306f214c1f29365"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/7f0dc59c9a70f8f3b4da33d7c4a2ba552a7acc21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/5
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/e86666c9dd256d52d0fbef6feb1ea4a51768fdec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/6
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/eb63c0f94dfcbea7fda8eab6213818e134d67192"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/f50bf13566189c8d0ce5a814f33eff3d89951896"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/8
{"tags":["issue-tracking"],"url":"https://github.com/python/cpython/issues/151981"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/0
{"tags":["patch"],"url":"https://github.com/python/cpython/pull/151982"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/AXPSKKTSRKXTTJULW3XSIC74WZNAAPPB/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:431ffedf4c5ecf0d6532150ad1c40ccda4bac700670e99d34b03872cf1a90c25 · sha256:537705b993fa5168… · /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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