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libtasn1: libtasn1: Denial of Service via stack-based buffer overflow in asn1_expend_octet_string

🗓️ 23 Jun 2026 23:58:10Reported by RedHatType 
redhat
 redhat
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Libtasn1 remote DoS via stack overflow in asn1_expend_octet_string from input size validation failure.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libtasn10:4.16.0-10.el9_8libtasn1-0:4.16.0-10.el9_8.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibtasn10:4.16.0-10.el9_8libtasn1-0:4.16.0-10.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibtasn10:4.16.0-10.el9_8libtasn1-0:4.16.0-10.el9_8.s390x.rpm
Red Hat Enterprise Linux9x86_64libtasn10:4.16.0-10.el9_8libtasn1-0:4.16.0-10.el9_8.x86_64.rpm
Red Hat Enterprise Linux9anylibtasn10:4.16.0-10.el9_8.i686libtasn1-0:4.16.0-10.el9_8.i686.noarch.rpm
Red Hat Enterprise Linux9aarch64libtasn1-debuginfo0:4.16.0-10.el9_8libtasn1-debuginfo-0:4.16.0-10.el9_8.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibtasn1-debuginfo0:4.16.0-10.el9_8libtasn1-debuginfo-0:4.16.0-10.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibtasn1-debuginfo0:4.16.0-10.el9_8libtasn1-debuginfo-0:4.16.0-10.el9_8.s390x.rpm
Red Hat Enterprise Linux9x86_64libtasn1-debuginfo0:4.16.0-10.el9_8libtasn1-debuginfo-0:4.16.0-10.el9_8.x86_64.rpm
Red Hat Enterprise Linux9anylibtasn1-debuginfo0:4.16.0-10.el9_8.i686libtasn1-debuginfo-0:4.16.0-10.el9_8.i686.noarch.rpm
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08 Jul 2026 19:26Current
7.9High risk
Vulners AI Score7.9
CVSS 3.17.5
EPSS0.01109
SSVC
10