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openSUSE-SU-2026:21392-1 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceopenSUSE-SU-2026:21392-1

openSUSE-SU-2026:21392-1

HIGH7.5

Security update for python-pyasn1

Published Jul 20, 2026

Modified 5 days ago

Fix available

Details

Description of the patch:

This update for python-pyasn1 fixes the following issues:

CVE-2026-59884: BER/CER/DER decoder denial of service via unbounded long-form tag IDs (bsc#1271464).
CVE-2026-59885: quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service (bsc#1271465).
CVE-2026-59886: uncontrolled resource consumption when converting decoded REAL values (bsc#1271466).

Affected Packages

python313-pyasn1

openSUSE Leap 16.0

Fixed in:

0.6.1-160000.5.1

References

https://bugzilla.suse.com/1271464

https://bugzilla.suse.com/1271465

https://bugzilla.suse.com/1271466

https://www.suse.com/security/cve/CVE-2026-59884/

https://www.suse.com/security/cve/CVE-2026-59885/

https://www.suse.com/security/cve/CVE-2026-59886/

https://www.suse.com/support/security/rating/

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Upstream

CVE-2026-59884 CVE-2026-59885 CVE-2026-59886

Ecosystems

openSUSE Leap 16.0

Timeline

PublishedJul 20, 2026

ModifiedJul 20, 2026