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CVE-2026-59886

🗓️ 16 Jul 2026 07:41:25Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 10 Views

A remote attacker can craft BER/CER/DER ASN.1 REAL with a large exponent to cause denial of service via CPU and memory exhaustion.

Related
Refs
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ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses multiple dependencies which is vulnerable to multiple CVEs.
27 Aug 202619:29
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IBM Security Bulletins		Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by multiple uncontrolled resource consumption vulnerabilities due to pyasn1
26 Aug 202610:59
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ibm
IBM Security Bulletins		Security Bulletin: There are vulnerabilities in IBM Maximo Manage application in IBM Maximo Application Suite
28 Aug 202606:40
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IBM Security Bulletins		Security Bulletin:Vulnerability in pyasn1 affects IBM Netezza Appliance
12 Aug 202608:33
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ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Location Service for Esri Component uses pyasn1-0.6.3 which is vulnerable to CVE-2026-59884, CVE-2026-59885, CVE-2026-59886
28 Aug 202610:03
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ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - IoT Component uses multiple third party dependencies which is vulnerable to multiple CVEs.
3 Aug 202614:48
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nessus
Tenable Nessus		Amazon Linux 2023 : python3-pyasn1, python3-pyasn1-modules (ALAS2023-2026-2000)
4 Aug 202600:00
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nessus
Tenable Nessus		Amazon Linux 2 : python-pyasn1, --advisory ALAS2-2026-3836 (ALAS-2026-3836)
4 Aug 202600:00
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Tenable Nessus		AlmaLinux 8 : fence-agents (ALSA-2026:53363)
12 Aug 202600:00
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Tenable Nessus		AlmaLinux 8 : resource-agents (ALSA-2026:53364)
12 Aug 202600:00
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17 Jul 2026 03:50Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00335
SSVC
CWE-770
ASN.1Real typeLarge exponentDenial of servicepyasn1
10