SUSE SLED15: libopenssl-3-devel / libopenssl-3-fips-provider / etc (SUSE-SU-2026:4039-1)

critical Nessus Plugin ID 348483

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4039-1 advisory.

August 2026 release.

- CVE-2026-14456: unbounded memory growth in QUIC server incoming channel queue (bsc#1274791).
- CVE-2026-14457: RPK server signature algorithm selection can dereference a missing certificate (bsc#1274792).
- CVE-2026-18798: QUIC server may trigger double free when processing INITIAL packet (bsc#1274777).
- CVE-2026-34181: PKCS#12 files with PBMAC1 are accepted with short HMAC keys (bsc#1266343).
- CVE-2026-54874: excessive Memory Use Buffering DTLS Records for a Future Epoch (bsc#1274795).
- CVE-2026-63072: heap buffer overflow in CMS key unwrapping (bsc#1274788).
- CVE-2026-63073: untrusted sender DN used as format string in CMP response validation (bsc#1274796).
- CVE-2026-63074: CMP indefinite cache growth of `ExtraCerts` (bsc#1274797).
- CVE-2026-63075: QUIC ACK-only packet retention can cause memory exhaustion (bsc#1274798).
- CVE-2026-63076: invalid pointer dereference in CMP server via crafted `protectionAlg` (bsc#1274790).
- CVE-2026-75803: AEAD forgeries with empty ciphertext when using `EVP_Cipher()` (bsc#1275837).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 348483

File Name: suse_SU-2026-4039-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/21/2026

Updated: 9/21/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

Percentile: 96.21

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-63073

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libopenssl-3-devel, p-cpe:/a:novell:suse_linux:libopenssl-3-fips-provider-32bit, p-cpe:/a:novell:suse_linux:libopenssl-3-fips-provider, p-cpe:/a:novell:suse_linux:libopenssl3-32bit, p-cpe:/a:novell:suse_linux:libopenssl3, p-cpe:/a:novell:suse_linux:openssl-3

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-14456, CVE-2026-14457, CVE-2026-18798, CVE-2026-34181, CVE-2026-54874, CVE-2026-63072, CVE-2026-63073, CVE-2026-63074, CVE-2026-63075, CVE-2026-63076, CVE-2026-75803

SuSE: SUSE-SU-2026:4039-1

Detections

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