{"schema_version":1,"title":"Pyasn1 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Pyasn1: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59886, was published on 14 July 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/pyasn1","json_url":"https://junglewise.ai/threats/vendors/pyasn1.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/pyasn1","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":5,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":5},"latest":[{"cve":"CVE-2026-59886","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59886-pyasn1-resource-consumption-in-univ-real-float-conversion","title":"pyasn1 resource consumption in univ.Real float conversion","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:15.01+00:00","url":"https://junglewise.ai/threats/cve-2026-59886-pyasn1-resource-consumption-in-univ-real-float-conversion"},{"cve":"CVE-2026-59885","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59885-pyasn1-algorithmic-complexity-denial-of-service-in-oid-processing","title":"pyasn1 algorithmic complexity denial of service in OID processing","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:14.88+00:00","url":"https://junglewise.ai/threats/cve-2026-59885-pyasn1-algorithmic-complexity-denial-of-service-in-oid-processing"},{"cve":"CVE-2026-59884","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59884-pyasn1-denial-of-service-via-unbounded-long-form-tag-ids-in-ber","title":"pyasn1 denial of service via unbounded long-form tag IDs in BER decoder","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:14.75+00:00","url":"https://junglewise.ai/threats/cve-2026-59884-pyasn1-denial-of-service-via-unbounded-long-form-tag-ids-in-ber"},{"cve":"CVE-2026-30922","cvss":7.5,"epss":0.0093,"slug":"cve-2026-30922-pyasn1-uncontrolled-recursion-denial-of-service-during-decoding","title":"pyasn1 uncontrolled recursion denial of service during decoding","severity":"high","exploited":false,"published_at":"2026-03-18T04:17:18.397+00:00","url":"https://junglewise.ai/threats/cve-2026-30922-pyasn1-uncontrolled-recursion-denial-of-service-during-decoding"},{"cve":"CVE-2026-23490","cvss":7.5,"epss":0.0077,"slug":"cve-2026-23490-pyasn1-memory-exhaustion-dos-in-oid-decoder","title":"pyasn1 memory exhaustion DoS in OID decoder","severity":"high","exploited":false,"published_at":"2026-01-16T19:16:19.117+00:00","url":"https://junglewise.ai/threats/cve-2026-23490-pyasn1-memory-exhaustion-dos-in-oid-decoder"}],"vendor":{"hub":true,"name":"Pyasn1","slug":"pyasn1","homepage":"https://github.com/pyasn1/pyasn1","description":"The maintainer of a pure-Python implementation of ASN.1 types and codecs.","url":"https://junglewise.ai/threats/vendors/pyasn1"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-30922","cvss":7.5,"epss":0.0093,"slug":"cve-2026-30922-pyasn1-uncontrolled-recursion-denial-of-service-during-decoding","title":"pyasn1 uncontrolled recursion denial of service during decoding","severity":"high","exploited":false,"published_at":"2026-03-18T04:17:18.397+00:00","url":"https://junglewise.ai/threats/cve-2026-30922-pyasn1-uncontrolled-recursion-denial-of-service-during-decoding"},{"cve":"CVE-2026-23490","cvss":7.5,"epss":0.0077,"slug":"cve-2026-23490-pyasn1-memory-exhaustion-dos-in-oid-decoder","title":"pyasn1 memory exhaustion DoS in OID decoder","severity":"high","exploited":false,"published_at":"2026-01-16T19:16:19.117+00:00","url":"https://junglewise.ai/threats/cve-2026-23490-pyasn1-memory-exhaustion-dos-in-oid-decoder"},{"cve":"CVE-2026-59886","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59886-pyasn1-resource-consumption-in-univ-real-float-conversion","title":"pyasn1 resource consumption in univ.Real float conversion","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:15.01+00:00","url":"https://junglewise.ai/threats/cve-2026-59886-pyasn1-resource-consumption-in-univ-real-float-conversion"},{"cve":"CVE-2026-59885","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59885-pyasn1-algorithmic-complexity-denial-of-service-in-oid-processing","title":"pyasn1 algorithmic complexity denial of service in OID processing","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:14.88+00:00","url":"https://junglewise.ai/threats/cve-2026-59885-pyasn1-algorithmic-complexity-denial-of-service-in-oid-processing"},{"cve":"CVE-2026-59884","cvss":7.5,"epss":0.0062,"slug":"cve-2026-59884-pyasn1-denial-of-service-via-unbounded-long-form-tag-ids-in-ber","title":"pyasn1 denial of service via unbounded long-form tag IDs in BER decoder","severity":"high","exploited":false,"published_at":"2026-07-14T17:17:14.75+00:00","url":"https://junglewise.ai/threats/cve-2026-59884-pyasn1-denial-of-service-via-unbounded-long-form-tag-ids-in-ber"}],"generated_at":"2026-09-26T10:22:00.132594+00:00","technologies":[{"name":"Pyasn1","slug":"pyasn1","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/pyasn1"}]}