openSUSE Leap 15.4 SUSE-SU-2026-0906

## This update for clamav fixes the following issues: Update to clamav 1.5.2: Security issue: * CVE-2026-20031: improper error handling in the HTML CSS module when splitting UTF-8 strings can lead to denial of service conditions via a crafted HTML file (bsc#1259207). Non security issue: * Support transactional updates (jsc#PED-14819). Changelog: * Fixed a possible infinite loop when scanning some JPEG files by upgrading affected ClamAV dependency, a Rust image library. * The CVD verification process will now ignore certificate files in the CVD certs directory when the user lacks read permissions. * Freshclam: Fix CLD verification bug with PrivateMirror option. * Upgraded the Rust bytes dependency to a newer version to resolve RUSTSEC-2026-0007 advisory. Read the Full Advisory

## This update for clamav fixes the following issues: Update to clamav 1.5.2: Security issue: * CVE-2026-20031: improper error handling in the HTML CSS module when splitting UTF-8 strings can lead to denial of service conditions via a crafted HTML file (bsc#1259207). Non security issue: * Support transactional updates (jsc#PED-14819). Changelog: * Fixed a possible infinite loop when scanning some JPEG files by upgrading affected ClamAV dependency, a Rust image library. * The CVD verification process will now ignore certificate files in the CVD certs directory when the user lacks read permissions. * Freshclam: Fix CLD verification bug with PrivateMirror option. * Upgraded the Rust bytes dependency to a newer version to resolve RUSTSEC-2026-0007 advisory. Read the Full Advisory

* bsc#1221954 * bsc#1258072 * bsc#1259207 * jsc#PED-14819 Cross- * CVE-2026-20031 CVSS scores: * CVE-2026-20031 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N * CVE-2026-20031 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L * CVE-2026-20031 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Affected Products: * openSUSE Leap 15.4 An update that solves one vulnerability, contains one feature and has two security fixes can now be installed. ## * * * * *

* CVE-2026-20031 ( SUSE ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2026-20031 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-20031 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

An update that solves one vulnerability, contains one feature and has two

security fixes can now be installed.

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