Loop with Unreachable Exit Condition ('Infinite Loop') Affecting fence-agents-ibmblade package, versions *


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CENTOS9-FENCEAGENTSIBMBLADE-15713611
  • published21 Mar 2026
  • disclosed18 Mar 2026

Introduced: 18 Mar 2026

NewCVE-2026-30922  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

There is no fixed version for Centos:9 fence-agents-ibmblade.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fence-agents-ibmblade package and not the fence-agents-ibmblade package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the pyasn1 library is vulnerable to a Denial of Service (DoS) attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing thousands of nested SEQUENCE (0x30) or SET (0x31) tags with "Indefinite Length" (0x80) markers. This forces the decoder to recursively call itself until the Python interpreter crashes with a RecursionError or consumes all available memory (OOM), crashing the host application. This is a distinct vulnerability from CVE-2026-23490 (which addressed integer overflows in OID decoding). The fix for CVE-2026-23490 (MAX_OID_ARC_CONTINUATION_OCTETS) does not mitigate this recursion issue. Version 0.6.3 fixes this specific issue.