clamav: This update for clamav fixes the following issues - CVE-2026-20213: PE file format parser could allow an unauthentic...
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.
This update for clamav fixes the following issues - CVE-2026-20213: PE file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270107). - CVE-2026-20214: FSG file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270085). - CVE-2026-20215: 7z file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270088). - CVE-2026-20216: InstallShield file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270089). - CVE-2026-20217: PESpin file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270091). - CVE-2026-20243: ALZ file format parser could allow an unauthenticated, remote attacker to cause a denial of service (bsc#1270092). - CVE-2026-20244: DMG file format parser could allow an unauthenticated, remote attacker to cause a denial of service on 32-bit platforms only (bsc#1270106). - CVE-2026-41676: rust-openssl: `Deriver:derive` and `PkeyCtxRef:derive` can overflow short buffers on OpenSSL 1.1.1 (bsc#1270138). Changes for clamav: - update to 1.5.3: * Hardened clamscan, clamdscan, and clamonacc quarantine actions against time-of-check/time-of-use races that could redirect copied, moved, or removed files under unsafe quarantine directory configurations. * Raised the minimum required CMake version to 3.17 to fix Linux builds with libcurl v8.21.0 when linking static library dependencies. * Metadata preclass scans now run before the final scan verdict. * ClamOnAcc: Fixed errors when recursively excluded paths are children of an included path. * ClamOnAcc: Fixed hash bucket list corruption when two watched paths collide in the same bucket.
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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