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

🗓️ 08 Jul 2026 14:30:13Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

DoS results from a stack overflow in libtasn1 asn1_expend_octet_string due to input size validation.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64libtasn10:4.13-6.el8_10libtasn1-0:4.13-6.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10i686libtasn10:4.13-6.el8_10libtasn1-0:4.13-6.el8_10.i686.rpm
Red Hat Enterprise Linux8.10ppc64lelibtasn10:4.13-6.el8_10libtasn1-0:4.13-6.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xlibtasn10:4.13-6.el8_10libtasn1-0:4.13-6.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64libtasn10:4.13-6.el8_10libtasn1-0:4.13-6.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64libtasn1-debuginfo0:4.13-6.el8_10libtasn1-debuginfo-0:4.13-6.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10i686libtasn1-debuginfo0:4.13-6.el8_10libtasn1-debuginfo-0:4.13-6.el8_10.i686.rpm
Red Hat Enterprise Linux8.10ppc64lelibtasn1-debuginfo0:4.13-6.el8_10libtasn1-debuginfo-0:4.13-6.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xlibtasn1-debuginfo0:4.13-6.el8_10libtasn1-debuginfo-0:4.13-6.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64libtasn1-debuginfo0:4.13-6.el8_10libtasn1-debuginfo-0:4.13-6.el8_10.x86_64.rpm
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08 Jul 2026 19:26Current
7.7High risk
Vulners AI Score7.7
CVSS 3.17.5
EPSS0.01109
SSVC
3