pypi / pyasn1

pyasn1

What changed in pyasn1 0.6, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-21.

1 breaking6 security4 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

pyasn1 0.611 changes

The ASN.1 decoder now limits nesting depth to prevent stack overflow from deeply nested structures.
0.6.3release notes

pyasn1 BER/CER/DER decoder denial of service via unbounded long-form tag IDs
0.6.4security advisory release notes
pyasn1: Quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service
0.6.4security advisory release notes
pyasn1: Uncontrolled resource consumption when converting decoded REAL values
0.6.4security advisory release notes
Denial of Service in pyasn1 via Unbounded Recursion
0.6.3security advisory
Fixed continuation octet limits in the decoder, addressing CVE-2026-23490.
0.6.2release notes
pyasn1 has a DoS vulnerability in decoder
0.6.2security advisory

Fixed incorrect parsing of fractional seconds.
0.6.3release notes
Fixed OverflowError caused by an oversized BER length field.
0.6.3release notes
Fixed the stacklevel used for DeprecationWarning from deprecated attributes.
0.6.3release notes
Added support for Python 3.14.
0.6.2release notes