Skip to content
SUSE ClamAV Important Zip Parser Issues CVE-2025-8088 to CVE-2026

SUSE ClamAV Important Zip Parser Issues CVE-2025-8088 to CVE-2026

Linuxsecurity •LinuxSecurity Advisories • September 15, 2026

Artifactory Alert: Chained flaws let attackers gain admin control. Check your version now ×

## This update for clamav fixes the following issues: * CVE-2026-20337: Improper boundary checks for content in zip archive parser (bsc#1274597). * CVE-2026-20338: invalid free due to bad ownership handling when merging ZIP catalogue records (bsc#1274598). * CVE-2026-20339: integer overflow in the PESpin unpacker leads to undersized allocation and heap out-of-bounds write (bsc#1274599). * CVE-2026-20345: out-of-bounds read/write via indexing error when converting GPT partition names (bsc#1274600). * CVE-2026-20346: integer underflow when parsing malformed PDF hex strings causes a crash (bsc#1274601). * CVE-2026-20347: integer overflow and undefined behavior when scanning malformed Mach-O files causes a crash (bsc#1274602).

## This update for clamav fixes the following issues: * CVE-2026-20337: Improper boundary checks for content in zip archive parser (bsc#1274597). * CVE-2026-20338: invalid free due to bad ownership handling when merging ZIP catalogue records (bsc#1274598). * CVE-2026-20339: integer overflow in the PESpin unpacker leads to undersized allocation and heap out-of-bounds write (bsc#1274599). * CVE-2026-20345: out-of-bounds read/write via indexing error when converting GPT partition names (bsc#1274600). * CVE-2026-20346: integer underflow when parsing malformed PDF hex strings causes a crash (bsc#1274601). * CVE-2026-20347: integer overflow and undefined behavior when scanning malformed Mach-O files causes a crash (bsc#1274602).

* CVE-2025-8088 ( NVD ): 8.4

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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-2025-8088 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-20337 ( SUSE ): 8.7

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

* CVE-2026-20337 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Announcement ID: SUSE-SU-2026:4179-1 Release Date: 2026-09-14T14:48:53Z Rating: important

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases