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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-23490

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.007

EPSS Ranking 48.2%

CVSS Severity

CVSS v3 Score 7.5

References

Products affected by CVE-2026-23490

Pyasn1 » Pyasn1 » Version: 0.2.1

cpe:2.3:a:pyasn1:pyasn1:0.2.1
Pyasn1 » Pyasn1 » Version: 0.2.2

cpe:2.3:a:pyasn1:pyasn1:0.2.2
Pyasn1 » Pyasn1 » Version: 0.2.3

cpe:2.3:a:pyasn1:pyasn1:0.2.3
Pyasn1 » Pyasn1 » Version: 0.3.1

cpe:2.3:a:pyasn1:pyasn1:0.3.1
Pyasn1 » Pyasn1 » Version: 0.3.2

cpe:2.3:a:pyasn1:pyasn1:0.3.2
Pyasn1 » Pyasn1 » Version: 0.3.3

cpe:2.3:a:pyasn1:pyasn1:0.3.3
Pyasn1 » Pyasn1 » Version: 0.3.4

cpe:2.3:a:pyasn1:pyasn1:0.3.4
Pyasn1 » Pyasn1 » Version: 0.3.5

cpe:2.3:a:pyasn1:pyasn1:0.3.5
Pyasn1 » Pyasn1 » Version: 0.3.6

cpe:2.3:a:pyasn1:pyasn1:0.3.6
Pyasn1 » Pyasn1 » Version: 0.3.7

cpe:2.3:a:pyasn1:pyasn1:0.3.7
Pyasn1 » Pyasn1 » Version: 0.4.1

cpe:2.3:a:pyasn1:pyasn1:0.4.1
Pyasn1 » Pyasn1 » Version: 0.4.2

cpe:2.3:a:pyasn1:pyasn1:0.4.2
Pyasn1 » Pyasn1 » Version: 0.4.3

cpe:2.3:a:pyasn1:pyasn1:0.4.3
Pyasn1 » Pyasn1 » Version: 0.4.4

cpe:2.3:a:pyasn1:pyasn1:0.4.4
Pyasn1 » Pyasn1 » Version: 0.4.5

cpe:2.3:a:pyasn1:pyasn1:0.4.5
Pyasn1 » Pyasn1 » Version: 0.4.6

cpe:2.3:a:pyasn1:pyasn1:0.4.6
Pyasn1 » Pyasn1 » Version: 0.4.7

cpe:2.3:a:pyasn1:pyasn1:0.4.7
Pyasn1 » Pyasn1 » Version: 0.4.8

cpe:2.3:a:pyasn1:pyasn1:0.4.8
Pyasn1 » Pyasn1 » Version: 0.5.0

cpe:2.3:a:pyasn1:pyasn1:0.5.0
Pyasn1 » Pyasn1 » Version: 0.5.1

cpe:2.3:a:pyasn1:pyasn1:0.5.1
Pyasn1 » Pyasn1 » Version: 0.6.0

cpe:2.3:a:pyasn1:pyasn1:0.6.0
Pyasn1 » Pyasn1 » Version: 0.6.1

cpe:2.3:a:pyasn1:pyasn1:0.6.1
Debian » Debian Linux » Version: 11.0

cpe:2.3:o:debian:debian_linux:11.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-23490

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