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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : glibc (SUSE-SU-2026:1369-1)

medium Nessus Plugin ID 306682

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1369-1 advisory.

 - CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response (bsc#1260078).
 - CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions (bsc#1260082).

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.

See Also

https://bugzilla.suse.com/1260078

https://bugzilla.suse.com/1260082

https://lists.suse.com/pipermail/sle-updates/2026-April/045548.html

https://www.suse.com/security/cve/CVE-2026-4437

https://www.suse.com/security/cve/CVE-2026-4438

Plugin Details

Severity: Medium

ID: 306682

File Name: suse_SU-2026-1369-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/16/2026

Updated: 4/16/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 3.8

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

CVSS Score Source: CVE-2026-4438

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:glibc-info, p-cpe:/a:novell:suse_linux:glibc-devel-32bit, p-cpe:/a:novell:suse_linux:glibc-i18ndata, p-cpe:/a:novell:suse_linux:glibc-32bit, p-cpe:/a:novell:suse_linux:glibc-profile, p-cpe:/a:novell:suse_linux:glibc-lang, p-cpe:/a:novell:suse_linux:glibc-devel, p-cpe:/a:novell:suse_linux:glibc-utils, p-cpe:/a:novell:suse_linux:libnsl1, p-cpe:/a:novell:suse_linux:nscd, p-cpe:/a:novell:suse_linux:glibc-extra, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:glibc-devel-static, p-cpe:/a:novell:suse_linux:glibc-locale-base, p-cpe:/a:novell:suse_linux:glibc-locale, p-cpe:/a:novell:suse_linux:glibc-locale-base-32bit, p-cpe:/a:novell:suse_linux:libnsl1-32bit, p-cpe:/a:novell:suse_linux:glibc

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/15/2026

Vulnerability Publication Date: 3/20/2026

Reference Information

CVE: CVE-2026-4437, CVE-2026-4438

SuSE: SUSE-SU-2026:1369-1