Report: CVE-2026-30922 - pyasn1 Vulnerable to Denial of Service via Unbounded Recursion

Report: CVE-2026-30922 - pyasn1 Vulnerable to Denial of Service via Unbounded Recursion

CVE ID :CVE-2026-30922 Published : March 18, 2026, 4:17 a.m. | 23 minutes ago Description :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 supply a crafted payload containing thousands of nested `SEQUENCE` (`0x30`) or `SET` (`0x31`) tags with

CVE Details

Published
March 18, 2026
Affected Product: Python
Impact: Denial of Service