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pyasn1: pyasn1: Denial of Service via crafted ASN.1 REAL values

🗓️ 24 Aug 2026 16:39:47Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

pyasn1 DoS via crafted ASN.1 REAL values with large exponent causing excessive CPU and memory use.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64automation-controller-venv-tower4.7.16-1.el9apautomation-controller-venv-tower-4.7.16-1.el9ap.aarch64.rpm
Red Hat Enterprise Linux9ppc64leautomation-controller-venv-tower4.7.16-1.el9apautomation-controller-venv-tower-4.7.16-1.el9ap.ppc64le.rpm
Red Hat Enterprise Linux9s390xautomation-controller-venv-tower4.7.16-1.el9apautomation-controller-venv-tower-4.7.16-1.el9ap.s390x.rpm
Red Hat Enterprise Linux9x86_64automation-controller-venv-tower4.7.16-1.el9apautomation-controller-venv-tower-4.7.16-1.el9ap.x86_64.rpm

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09 Sep 2026 18:18Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00335
SSVC
CWE-770
pyasn1denial of serviceASN.1 REALlarge exponentresource exhaustion
9