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CVE-2021-46848

Date: October 23, 2022

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Language: C

Severity Score

9.1

Related Resources (19)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-46848

Url: https://access.redhat.com/security/cve/CVE-2021-46848

Url: https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5

Url: https://security.netapp.com/advisory/ntap-20221118-0006/

Url: https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

Url: https://gitlab.com/gnutls/libtasn1/-/issues/32

Url: https://security.alpinelinux.org/vuln/CVE-2021-46848

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-46848

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/

Url: https://bugs.gentoo.org/866237

Url: https://security-tracker.debian.org/tracker/CVE-2021-46848

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/

Url: https://www.mend.io/vulnerability-database/CVE-2021-46848

Severity Score

9.1

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Off-by-one Error

CWE-193

CVSS v3.1

Base Score:	9.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	HIGH

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