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CVE-2026-59939

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in _decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small compressed payload that expands to an arbitrarily large size in memory and causes MemoryError or OOM-kill in the client process. This issue is fixed in version 0.32.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:910a58d7ddc72e12013df3ea9297321338680c8da7a120b9b3da2b7b2e103909
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"httplib2","vendor":"httplib2","versions":[{"status":"affected","version":"< 0.32.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /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:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-409","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/httplib2/httplib2/commit/87581ad6cf752fe3da2090c59058261d2d00a427","tags":["x_refsource_MISC"],"url":"https://github.com/httplib2/httplib2/commit/87581ad6cf752fe3da2090c59058261d2d00a427"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/cna/references/1
{"name":"https://github.com/httplib2/httplib2/releases/tag/v0.32.0","tags":["x_refsource_MISC"],"url":"https://github.com/httplib2/httplib2/releases/tag/v0.32.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/cna/references/2
{"name":"https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e6a55d6279f30c3a2886fa2c6b14bdedfde614eca508b5f4f21a40cf4b3bda4a · sha256:0206061d6c12a41d… · /containers/adp/0/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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