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libtasn1: Inefficient DER Decoding in libtasn1 Leading to Potential Remote DoS

🗓️ 29 Jun 2026 02:40:32Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 7 Views

Libtasn1 flaw causes inefficient DER decoding of certificates, enabling remote denial of service.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8i686gnutls3.6.16-7.el8_8.4gnutls-3.6.16-7.el8_8.4.i686.rpm
Red Hat Enterprise Linux8.8ppc64legnutls3.6.16-7.el8_8.4gnutls-3.6.16-7.el8_8.4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64gnutls3.6.16-7.el8_8.4gnutls-3.6.16-7.el8_8.4.x86_64.rpm
Red Hat Enterprise Linux8.8i686gnutls-c++3.6.16-7.el8_8.4gnutls-c++-3.6.16-7.el8_8.4.i686.rpm
Red Hat Enterprise Linux8.8ppc64legnutls-c++3.6.16-7.el8_8.4gnutls-c++-3.6.16-7.el8_8.4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64gnutls-c++3.6.16-7.el8_8.4gnutls-c++-3.6.16-7.el8_8.4.x86_64.rpm
Red Hat Enterprise Linux8.8i686gnutls-dane3.6.16-7.el8_8.4gnutls-dane-3.6.16-7.el8_8.4.i686.rpm
Red Hat Enterprise Linux8.8ppc64legnutls-dane3.6.16-7.el8_8.4gnutls-dane-3.6.16-7.el8_8.4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64gnutls-dane3.6.16-7.el8_8.4gnutls-dane-3.6.16-7.el8_8.4.x86_64.rpm
Red Hat Enterprise Linux8.8i686gnutls-dane-debuginfo3.6.16-7.el8_8.4gnutls-dane-debuginfo-3.6.16-7.el8_8.4.i686.rpm
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22 Jul 2026 20:43Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.3
EPSS0.0107
SSVC
CWE-407
libtasn1certificate decodingdenial of serviceremote attackinefficient decoding
7