CVE-2026-23490
pyasn1 has a DoS vulnerability in decoder
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka red hat
pyasn1
package-ecosystem
debian
oss-project·GBaka debian gnu/linux
PyPI
package-ecosystem
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
ООО «Ред Софт»
commercial·RUaka red soft
and 16 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Impact
References
https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970
github.com
https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2
github.com
https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq
github.com
and 68 more references View all →
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