pyasn1 has 3 CVEs on record. 1 was published in the last 90 days. The median CVSS is 7.5 (high).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 7.5
- Publish → KEV
- —
- Last 90 days
- 1 prev 0
pyasn1 vulnerabilities
CVEs affecting pyasn1, newest first. Open any entry for full detail, references, and exploit status.
3 CVEsRSS
CVE-2026-59884High· 7.5pyasn1 BER/CER/DER decoder denial of service via unbounded long-form tag IDs
pyasn1 BER/CER/DER decoder denial of service via unbounded long-form tag IDs
CVE-2026-30922High· 7.5PoCpyasn1 Vulnerable to Denial of Service via Unbounded Recursion
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of Service (DoS) attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can…
CVE-2026-23490High· 7.5PoCpyasn1 is a generic ASN.1 library for Python
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.