CVE-2026-20244
clamav: DMG file format parser could allow an unauthenticated, remote attacker to cause a denial of service
CVE-2026-20244 is fixed in 21 products on 1 platform, first by clamav 1.5.3+dfsg-0ubuntu0.26.04.1, released July 1, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0057
47th percentile
DMG file format parser could allow an unauthenticated, remote attacker to cause a denial of service
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| clamav · Debian 12.15 (bookworm) | 1.4.6+dfsg-0+deb12u1 | DEBIAN-CVE-2026-20244 | Jul 14, 2026 |
| clamav · Debian 14 | 1.4.5+dfsg-1 | DEBIAN-CVE-2026-20244 | Jul 14, 2026 |
| clamav · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav · opensuse-leap 16.0 | 1.5.3-160000.1.1 | OPENSUSE-SU-2026:21252-1 | Jul 7, 2026 |
| clamav · sles 15.6 | 1.5.3-150600.18.28.1 | SUSE-SU-2026:2835-1 | Jul 9, 2026 |
| clamav · sles 15.7 | 1.5.3-150600.18.28.1 | SUSE-SU-2026:2835-1 | Jul 9, 2026 |
| clamav · sles 16.0 | 1.5.3-160000.1.1 | SUSE-SU-2026:22574-1 | Jul 7, 2026 |
| clamav-base · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-base 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav-base · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-base 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav-base · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-base 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav-daemon · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-daemon 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav-daemon · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-daemon 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav-daemon · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-daemon 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav-data · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-debuginfo · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-debugsource · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-devel · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-doc · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-docs · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-docs 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 21, 2026 |
| clamav-docs · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-docs 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 21, 2026 |
| clamav-docs · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-docs 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav-filesystem · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-freshclam · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-freshclam · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-freshclam 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav-freshclam · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-freshclam 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav-freshclam · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-freshclam 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav-freshclam-debuginfo · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-lib · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-lib-debuginfo · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-milter · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-milter · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-milter 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav-milter · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-milter 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav-milter · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-milter 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamav-milter-debuginfo · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamav-testfiles · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamav-testfiles 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamav-testfiles · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamav-testfiles 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamav-testfiles · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamav-testfiles 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| clamd · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamd-debuginfo · Fedora 43 | 1.4.6-1.fc43 | FEDORA-2026-A9BEEC8485 | Aug 10, 2026 |
| clamdscan · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | clamdscan 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| clamdscan · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | clamdscan 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| clamdscan · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | clamdscan 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
| libclamav12 · Ubuntu 22.04.1 LTS (jammy) | 1.5.3+dfsg-0ubuntu0.22.04.2 | libclamav12 1.5.3+dfsg-0ubuntu0.22.04.2 | Jul 9, 2026 |
| libclamav12 · Ubuntu 24.04.5 LTS (noble) | 1.5.3+dfsg-0ubuntu0.24.04.1 | libclamav12 1.5.3+dfsg-0ubuntu0.24.04.1 | Jul 9, 2026 |
| libclamav12 · Ubuntu 26.04.1 LTS (resolute) | 1.5.3+dfsg-0ubuntu0.26.04.1 | libclamav12 1.5.3+dfsg-0ubuntu0.26.04.1 | Jul 1, 2026 |
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