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SUSE Himmelblau Important Buffer Overflow Fix 2026-3576

SUSE Himmelblau Important Buffer Overflow Fix 2026-3576

Linuxsecurity •LinuxSecurity Advisories • August 11, 2026

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## This update for himmelblau, himmelblau.SUSE_SLE-15-SP5_Update fixes the following issues: Security fixes: * CVE-2026-41676: openssl: `Deriver:derive` and `PkeyCtxRef:derive` can overflow short buffers on OpenSSL 1.1.1 (bsc#1270182). * CVE-2026-41677: openssl: out-of-bounds read in PEM password callback when returning an oversized length (bsc#1270613). * CVE-2026-41678: openssl: OOB write due to incorrect bounds assertion in `aes::unwrap_key()` (bsc#1270707). * CVE-2026-41681: openssl: stack corruption due to `MdCtxRef::digest_final()` writing past caller buffer with no length check (bsc#1270794). * CVE-2026-41898: openssl: information leak to network peers due to unchecked callback-returned length in PSK and cookie generate trampolines (bsc#1270830).

## This update for himmelblau, himmelblau.SUSE_SLE-15-SP5_Update fixes the following issues: Security fixes: * CVE-2026-41676: openssl: `Deriver:derive` and `PkeyCtxRef:derive` can overflow short buffers on OpenSSL 1.1.1 (bsc#1270182). * CVE-2026-41677: openssl: out-of-bounds read in PEM password callback when returning an oversized length (bsc#1270613). * CVE-2026-41678: openssl: OOB write due to incorrect bounds assertion in `aes::unwrap_key()` (bsc#1270707). * CVE-2026-41681: openssl: stack corruption due to `MdCtxRef::digest_final()` writing past caller buffer with no length check (bsc#1270794). * CVE-2026-41898: openssl: information leak to network peers due to unchecked callback-returned length in PSK and cookie generate trampolines (bsc#1270830).

* 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

Announcement ID: SUSE-SU-2026:3576-1 Release Date: 2026-08-11T11:51:08Z Rating: important

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