SUSE-SU-2026:22574-1: important: Security update for clamav
SLE-UPDATES
null at suse.de
Tue Jul 14 16:32:29 UTC 2026
# Security update for clamav
Announcement ID: SUSE-SU-2026:22574-1
Release Date: 2026-07-07T16:59:27Z
Rating: important
References:
* bsc#1270085
* bsc#1270088
* bsc#1270089
* bsc#1270091
* bsc#1270092
* bsc#1270106
* bsc#1270107
* bsc#1270138
Cross-References:
* CVE-2026-20213
* CVE-2026-20214
* CVE-2026-20215
* CVE-2026-20216
* CVE-2026-20217
* CVE-2026-20243
* CVE-2026-20244
* CVE-2026-41676
CVSS scores:
* CVE-2026-20213 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20213 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20214 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20214 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20215 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20215 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20216 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20216 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20217 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20217 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20243 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20243 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20244 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-20244 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-41676 ( SUSE ): 8.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-41676 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
* CVE-2026-41676 ( NVD ): 7.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-41676 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0
An update that solves eight vulnerabilities can now be installed.
## Description:
This update for clamav fixes the following issues:
Update to version 1.5.3.
Security issues fixed:
* CVE-2026-20213: out-of-bounds write due to improper boundary checks for
content in PE files during scanning (bsc#1270107).
* CVE-2026-20214: out-of-bounds write due to improper boundary checks for
content in FSG files during scanning (bsc#1270085).
* CVE-2026-20215: out-of-bounds write due to improper boundary checks for
content in 7z files during scanning (bsc#1270088).
* CVE-2026-20216: denial of service due to improper handling of temporary
resources during InstallShield file scanning (bsc#1270089).
* CVE-2026-20217: out-of-bounds write due to improper boundary checks for
content in PESpin files during scanning (bsc#1270091).
* CVE-2026-20243: out-of-bounds write due to improper boundary checks for
content in ALZ files during scanning (bsc#1270092).
* CVE-2026-20244: integer overflow and DoS due to improper boundary checks for
content in DMG files during scanning (bsc#1270106).
* CVE-2026-41676: buffer overflow due to missing checks via `Deriver:derive`,
`PkeyCtxRef:derive` and OpenSSL 1.1.1 (bsc#1270138).
Other updates and bugfixes:
* Version 1.5.3:
* Fixed a bug in the PESpin unpacker cleanup path that could free pointers
into the scanned file buffer and crash the scanner.
* Fixed an integer overflow in PE rebuild size calculations that could be
reached through a malformed Aspack-packed PE file and lead to a heap buffer
overflow write.
* Fixed an InstallShield archive extraction limit bypass that could write far
more temporary data than intended and exhaust temporary storage.
* Fixed an FSG unpacker loop underflow that could write past the section array
while scanning a malformed PE file.
* Fixed ALZ parser size handling bugs that could cause malformed ALZ archives
to panic, abort the scanner, or skip expected scan-limit handling.
* Fixed a 7z parser substream count overflow that could under-allocate parser
metadata arrays and write past them while reading a malformed archive.
* Fixed 32-bit DMG parser size checks that could let a short mish stripe table
pass validation and crash 32-bit scanner builds.
* 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.
* Upgraded the Rust tar dependency to resolve the RUSTSEC-2026-0067 and
RUSTSEC-2026-0068 advisories, and upgraded the Rust openssl dependency to
resolve CVE-2026-41676.
* 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.
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-1173=1
* SUSE Linux Enterprise Server for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-1173=1
## Package List:
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* libclamav12-1.5.3-160000.1.1
* clamav-debuginfo-1.5.3-160000.1.1
* clamav-milter-1.5.3-160000.1.1
* libclammspack0-debuginfo-1.5.3-160000.1.1
* clamav-milter-debuginfo-1.5.3-160000.1.1
* clamav-debugsource-1.5.3-160000.1.1
* libclamav12-debuginfo-1.5.3-160000.1.1
* libfreshclam4-1.5.3-160000.1.1
* libclammspack0-1.5.3-160000.1.1
* libfreshclam4-debuginfo-1.5.3-160000.1.1
* clamav-devel-1.5.3-160000.1.1
* clamav-1.5.3-160000.1.1
* SUSE Linux Enterprise Server 16.0 (noarch)
* clamav-docs-html-1.5.3-160000.1.1
* SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
* libclamav12-1.5.3-160000.1.1
* clamav-debuginfo-1.5.3-160000.1.1
* clamav-milter-1.5.3-160000.1.1
* libclammspack0-debuginfo-1.5.3-160000.1.1
* clamav-milter-debuginfo-1.5.3-160000.1.1
* clamav-debugsource-1.5.3-160000.1.1
* libclamav12-debuginfo-1.5.3-160000.1.1
* libfreshclam4-1.5.3-160000.1.1
* libclammspack0-1.5.3-160000.1.1
* libfreshclam4-debuginfo-1.5.3-160000.1.1
* clamav-devel-1.5.3-160000.1.1
* clamav-1.5.3-160000.1.1
* SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
* clamav-docs-html-1.5.3-160000.1.1
## References:
* https://www.suse.com/security/cve/CVE-2026-20213.html
* https://www.suse.com/security/cve/CVE-2026-20214.html
* https://www.suse.com/security/cve/CVE-2026-20215.html
* https://www.suse.com/security/cve/CVE-2026-20216.html
* https://www.suse.com/security/cve/CVE-2026-20217.html
* https://www.suse.com/security/cve/CVE-2026-20243.html
* https://www.suse.com/security/cve/CVE-2026-20244.html
* https://www.suse.com/security/cve/CVE-2026-41676.html
* https://bugzilla.suse.com/show_bug.cgi?id=1270085
* https://bugzilla.suse.com/show_bug.cgi?id=1270088
* https://bugzilla.suse.com/show_bug.cgi?id=1270089
* https://bugzilla.suse.com/show_bug.cgi?id=1270091
* https://bugzilla.suse.com/show_bug.cgi?id=1270092
* https://bugzilla.suse.com/show_bug.cgi?id=1270106
* https://bugzilla.suse.com/show_bug.cgi?id=1270107
* https://bugzilla.suse.com/show_bug.cgi?id=1270138
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