CVE catalog

CVE-2021-1405

clamav: CVE-2021-1405

[CVE catalog]

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
3.03% · Oct 25, 2026

A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianclamavsid1.4.6+dfsg-1fixed
Debianclamavforky1.4.6+dfsg-1fixed
Debianclamavtrixie1.4.3+dfsg-1fixed
Debianclamavbookworm1.4.3+dfsg-1~deb12u2fixed
Debianclamavbookworm-security1.4.6+dfsg-0+deb12u1fixed
Alpineclamav3.110.103.2-r0fixed
Alpineclamav3.120.103.2-r0fixed
Alpineclamav3.130.103.2-r0fixed
Ubuntuclamavpro0.97.8+dfsg-1ubuntu4vulnerable
Ubuntuclamavpro0.97.8+dfsg-1ubuntu5vulnerable
Ubuntuclamavpro0.98.1+dfsg-1ubuntu4vulnerable
Ubuntuclamavpro0.98.1+dfsg-1ubuntu5vulnerable
Ubuntuclamavpro0.98.1+dfsg-2ubuntu2vulnerable
Ubuntuclamavpro0.98.1+dfsg-4ubuntu1vulnerable
Ubuntuclamavpro0.98.1+dfsg-4ubuntu1.1vulnerable
Ubuntuclamavpro0.98.5+addedllvm-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.98.6+dfsg-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.98.7+dfsg-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.99.2+addedllvm-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.99.2+addedllvm-0ubuntu0.14.04.2vulnerable
Ubuntuclamavpro0.99.3+addedllvm-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.99.4+addedllvm-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.100.1+dfsg-1ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.100.1+dfsg-1ubuntu0.14.04.2vulnerable
Ubuntuclamavpro0.100.1+dfsg-1ubuntu0.14.04.3vulnerable
Ubuntuclamavpro0.100.1+dfsg-1ubuntu0.14.04.4vulnerable
Ubuntuclamavpro0.100.2+dfsg-1ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.100.2+dfsg-1ubuntu0.14.04.2vulnerable
Ubuntuclamavpro0.100.3+dfsg-0ubuntu0.14.04.1vulnerable
Ubuntuclamavpro0.100.3+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.101.4+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.102.1+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.102.2+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.102.3+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.102.4+dfsg-0ubuntu0.14.04.1+esm1vulnerable
Ubuntuclamavpro0.103.2+dfsg-0ubuntu0.14.04.1+esm1fixed
Ubuntuclamav16.040.98.7+dfsg-0ubuntu4vulnerable
Ubuntuclamav16.040.98.7+dfsg-0ubuntu5vulnerable
Ubuntuclamav16.040.99+dfsg-1ubuntu1vulnerable
Ubuntuclamav16.040.99+dfsg-1ubuntu1.1vulnerable
Ubuntuclamav16.040.99+dfsg-1ubuntu1.2vulnerable
Ubuntuclamav16.040.99.2+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.99.2+dfsg-0ubuntu0.16.04.2vulnerable
Ubuntuclamav16.040.99.2+dfsg-0ubuntu0.16.04.3vulnerable
Ubuntuclamav16.040.99.3+addedllvm-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.99.4+addedllvm-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.100.1+dfsg-1ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.100.1+dfsg-1ubuntu0.16.04.2vulnerable
Ubuntuclamav16.040.100.1+dfsg-1ubuntu0.16.04.3vulnerable
Ubuntuclamav16.040.100.2+dfsg-1ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.100.3+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.101.4+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.102.1+dfsg-0ubuntu0.16.04.2vulnerable
Ubuntuclamav16.040.102.2+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.102.3+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.102.4+dfsg-0ubuntu0.16.04.1vulnerable
Ubuntuclamav16.040.103.2+dfsg-0ubuntu0.16.04.1fixed
Ubuntuclamav18.040.99.2+dfsg-6ubuntu2vulnerable
Ubuntuclamav18.040.99.3~beta1+dfsg-2ubuntu1vulnerable
Ubuntuclamav18.040.99.3~beta1+dfsg-2ubuntu2vulnerable
Ubuntuclamav18.040.99.3+addedllvm-0ubuntu1vulnerable
Ubuntuclamav18.040.99.3+addedllvm-0ubuntu2vulnerable
Ubuntuclamav18.040.99.4+addedllvm-0ubuntu1vulnerable
Ubuntuclamav18.040.100.1+dfsg-1ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.100.1+dfsg-1ubuntu0.18.04.2vulnerable
Ubuntuclamav18.040.100.1+dfsg-1ubuntu0.18.04.3vulnerable
Ubuntuclamav18.040.100.2+dfsg-1ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.100.3+dfsg-0ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.101.4+dfsg-0ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.102.1+dfsg-0ubuntu0.18.04.2vulnerable
Ubuntuclamav18.040.102.2+dfsg-0ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.102.3+dfsg-0ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.102.4+dfsg-0ubuntu0.18.04.1vulnerable
Ubuntuclamav18.040.103.2+dfsg-0ubuntu0.18.04.1fixed
Ubuntuclamav20.040.101.4+dfsg-1ubuntu1vulnerable
Ubuntuclamav20.040.102.1+dfsg-1ubuntu1vulnerable
Ubuntuclamav20.040.102.1+dfsg-2ubuntu1vulnerable
Ubuntuclamav20.040.102.1+dfsg-2ubuntu2vulnerable
Ubuntuclamav20.040.102.2+dfsg-1ubuntu1vulnerable
Ubuntuclamav20.040.102.2+dfsg-2ubuntu1vulnerable
Ubuntuclamav20.040.102.3+dfsg-0ubuntu0.20.04.1vulnerable
Ubuntuclamav20.040.102.4+dfsg-0ubuntu0.20.04.1vulnerable
Ubuntuclamav20.040.103.2+dfsg-0ubuntu0.20.04.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianclamavsourcesid0.103.2+dfsg-1not yet assignedNot reported[986622]
Debianclamavsourceforky0.103.2+dfsg-1not yet assignedNot reported[986622]
Debianclamavsourcetrixie0.103.2+dfsg-1not yet assignedNot reported[986622]
Debianclamavsourcebookworm0.103.2+dfsg-1not yet assignedNot reported[986622]
Alpineclamavapk3.110.103.2-r0Not reportedALPINE-CVE-2021-1405Not reported
Alpineclamavapk3.120.103.2-r0Not reportedALPINE-CVE-2021-1405Not reported
Alpineclamavapk3.130.103.2-r0Not reportedALPINE-CVE-2021-1405Not reported
Ubuntuclamavdebpro0.103.2+dfsg-0ubuntu0.14.04.1+esm1Not reportedUBUNTU-CVE-2021-1405Not reported
Ubuntuclamavdeb16.040.103.2+dfsg-0ubuntu0.16.04.1Not reportedUBUNTU-CVE-2021-1405Not reported
Ubuntuclamavdeb18.040.103.2+dfsg-0ubuntu0.18.04.1Not reportedUBUNTU-CVE-2021-1405Not reported
Ubuntuclamavdeb20.040.103.2+dfsg-0ubuntu0.20.04.1Not reportedUBUNTU-CVE-2021-1405Not reported

[Debian bug #986622]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [clamav]Fixed
    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-base]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-daemon]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-doc]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-docs]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-freshclam]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-milter]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamav-testfiles]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · all · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [clamdscan]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [libclamav12]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

  • [libclamav-dev]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1~deb12u2 · amd64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

    • 1.4.3+dfsg-1~deb12u2 · arm64 · bookworm

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · bookworm; dsa · clamav · debian · 12

[Debian 13 (Trixie)]

  • [clamav]Fixed
    Details (2)

    • 1.4.3+dfsg-1 · amd64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · arm64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-base]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-daemon]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · amd64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · arm64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-doc]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-docs]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-freshclam]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · amd64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · arm64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-milter]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · amd64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · arm64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamav-testfiles]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · all · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

  • [clamdscan]Fixed

    Source package: [clamav]

    Details (2)

    • 1.4.3+dfsg-1 · amd64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

    • 1.4.3+dfsg-1 · arm64 · trixie

      Fixed · Fixed: 0.103.2+dfsg-1

      dsa · clamav · debian · 13

Next results

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]