PyPI/pyasn1 CVE-2026-59884: high 7.5, EPSS 0.62%
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the t
Action: Upgrade pyasn1 to 0.6.4 or later.
pip install pyasn1==0.6.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.6.4 | - |
Fixed versions
| 0.6.4 |
Sources
- osv: PYSEC-2026-3455
- https://github.com/pyasn1/pyasn1/releases/tag/v0.6.4
- https://github.com/pyasn1/pyasn1/security/advisories/GHSA-m4p7-r5rc-7g4j
- https://github.com/pyasn1/pyasn1/commit/628e36ecbb5277a3f01572ce418ef54271b165a5
CVE-2026-59884 · published · modified · JSON