CVE-2021-46848

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2021-46848
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-10-24 14:15:49 UTC
Updated2026-10-14 13:17:13 UTC
DescriptionGNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Problem Types: CWE-193 | n/a | CWE-193 CWE-193 Off-by-one Error

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Fedoraproject Fedora 35 All All All
Operating System Fedoraproject Fedora 36 All All All
Operating System Fedoraproject Fedora 37 All All All
Application Gnu Libtasn1 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Out-of-bound access in ETYPE_OK (#32) · Issues · gnutls / libtasn1 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.com Exploit, Issue Tracking, Third Party Advisory
[SECURITY] Fedora 35 Update: mingw-libtasn1-4.19.0-1.fc35 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
CVE-2021-46848 GNU Libtasn1 Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] Fedora 36 Update: libtasn1-4.19.0-1.fc36 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
866237 – <dev-libs/libtasn1-4.19.0: Out of bounds read af854a3a-2127-422b-91ae-364da2661108 bugs.gentoo.org Issue Tracking, Patch, Third Party Advisory
Fix ETYPE_OK off by one array size check. Closes: #32. (44a700d2) · Commits · gnutls / libtasn1 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.com Patch, Third Party Advisory
[SECURITY] [DLA 3263-1] libtasn1-6 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[SECURITY] Fedora 36 Update: mingw-libtasn1-4.19.0-1.fc36 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 37 Update: mingw-libtasn1-4.19.0-1.fc37 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 35 Update: mingw-libtasn1-4.19.0-1.fc35 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 37 Update: mingw-libtasn1-4.19.0-1.fc37 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 36 Update: mingw-libtasn1-4.19.0-1.fc36 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 36 Update: libtasn1-4.19.0-1.fc36 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160387 Oracle Enterprise Linux Security Update for libtasn1 (ELSA-2023-0116)
  • 160428 Oracle Enterprise Linux Security Update for libtasn1 (ELSA-2023-0343)
  • 181375 Debian Security Update for libtasn1-6 (CVE-2021-46848)
  • 181462 Debian Security Update for libtasn1-6 (DLA 3263-1)
  • 241050 Red Hat Update for libtasn1 (RHSA-2023:0116)
  • 241100 Red Hat Update for libtasn1 (RHSA-2023:0343)
  • 242850 Red Hat Update for libtasn1 (RHSA-2024:0427)
  • 283307 Fedora Security Update for mingw (FEDORA-2022-061f857481)
  • 283308 Fedora Security Update for mingw (FEDORA-2022-3c933ffaca)
  • 283435 Fedora Security Update for mingw (FEDORA-2022-19056934a7)
  • 283533 Fedora Security Update for libtasn1 (FEDORA-2022-3f9ee1ad91)
  • 354659 Amazon Linux Security Advisory for libtasn1 : ALAS2-2023-1908
  • 355413 Amazon Linux Security Advisory for libtasn1 : ALAS2023-2023-201
  • 377957 Alibaba Cloud Linux Security Update for libtasn1 (ALINUX3-SA-2023:0014)
  • 502610 Alpine Linux Security Update for libtasn1
  • 502611 Alpine Linux Security Update for libtasn1
  • 502738 Alpine Linux Security Update for libtasn1
  • 505630 Alpine Linux Security Update for libtasn1
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 672511 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1038)
  • 672517 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1013)
  • 672538 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1103)
  • 672541 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1127)
  • 672606 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1325)
  • 672647 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1390)
  • 672669 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-1362)
  • 673089 EulerOS Security Update for libtasn1 (EulerOS-SA-2023-2156)
  • 752729 SUSE Enterprise Linux Security Update for libtasn1 (SUSE-SU-2022:3784-1)
  • 752747 SUSE Enterprise Linux Security Update for libtasn1 (SUSE-SU-2022:3817-1)
  • 904344 Common Base Linux Mariner (CBL-Mariner) Security Update for libtasn1 (11333)
  • 904350 Common Base Linux Mariner (CBL-Mariner) Security Update for libtasn1 (11318)
  • 904364 Common Base Linux Mariner (CBL-Mariner) Security Update for libtasn1 (11318-1)
  • 904389 Common Base Linux Mariner (CBL-Mariner) Security Update for libtasn1 (11333-1)
  • 904941 Common Base Linux Mariner (CBL-Mariner) Security Update for gnutls (12341)
  • 905176 Common Base Linux Mariner (CBL-Mariner) Security Update for gnutls (12489)
  • 940876 AlmaLinux Security Update for libtasn1 (ALSA-2023:0116)
  • 940895 AlmaLinux Security Update for libtasn1 (ALSA-2023:0343)
  • 960519 Rocky Linux Security Update for libtasn1 (RLSA-2023:0116)
  • 960629 Rocky Linux Security Update for libtasn1 (RLSA-2023:0343)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report