Description
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.
Scores
CVSS v3
7.5
EPSS
0.0002
EPSS Percentile
5.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (3)
debian/debian_linux
11.0
pyasn1/pyasn1
< 0.6.2
pypi/pyasn1
0.6.1 - 0.6.2PyPI
Published
Jan 16, 2026
Tracked Since
Feb 18, 2026