DEBIAN-CVE-2026-23490

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Source
https://security-tracker.debian.org/tracker/CVE-2026-23490
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23490.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-23490
Upstream
Published
2026-01-16T19:16:19.117Z
Modified
2026-01-22T04:16:18.462862Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / pyasn1

Package

Name
pyasn1
Purl
pkg:deb/debian/pyasn1?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.4.8-1
0.4.8-2
0.4.8-2.1
0.4.8-3
0.4.8-4
0.5.1-1
0.6.0-1
0.6.1-1
0.6.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23490.json"

Debian:12 / pyasn1

Package

Name
pyasn1
Purl
pkg:deb/debian/pyasn1?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.4.8-3
0.4.8-4
0.5.1-1
0.6.0-1
0.6.1-1
0.6.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23490.json"

Debian:13 / pyasn1

Package

Name
pyasn1
Purl
pkg:deb/debian/pyasn1?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.6.1-1
0.6.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23490.json"

Debian:14 / pyasn1

Package

Name
pyasn1
Purl
pkg:deb/debian/pyasn1?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.2-1

Affected versions

0.*

0.6.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-23490.json"