CVE-2021-3405

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2021-3405
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-23 20:15:00 UTC
Updated2023-11-07 03:37:00 UTC
DescriptionA flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Application Matroska Libebml All All All All
Application Matroska Libebml All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 32 Update: libebml-1.4.2-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 32 Update: libebml-1.4.2-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org Mailing List, Third Party Advisory
[SECURITY] Fedora 33 Update: libebml-1.4.2-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org Mailing List, Third Party Advisory
libebml: Heap buffer overflow vulnerability (GLSA 202208-21) — Gentoo security GENTOO security.gentoo.org
Ebml[Unicode]String::ReadData heap overflow bug on 32bit builds · Issue #74 · Matroska-Org/libebml · GitHub MISC github.com Exploit, Issue Tracking, Third Party Advisory
[SECURITY] Fedora 34 Update: libebml-1.4.2-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: libebml-1.4.2-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] [DLA 2629-1] libebml security update MLIST lists.debian.org
[SECURITY] Fedora 34 Update: libebml-1.4.2-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178535 Debian Security Update for libebml (DLA 2629-1)
  • 180233 Debian Security Update for libebml (CVE-2021-3405)
  • 281572 Fedora Security Update for libebml (FEDORA-2021-e283997bb9)
  • 281573 Fedora Security Update for libebml (FEDORA-2021-aa78f97893)
  • 281574 Fedora Security Update for libebml (FEDORA-2021-9a0fff8455)
  • 501597 Alpine Linux Security Update for libebml
  • 710596 Gentoo Linux libebml Heap buffer overflow Vulnerability (GLSA 202208-21)

© 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