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openSUSE 16 Security Update : gpg2 (openSUSE-SU-2026:20136-1)

high Nessus Plugin ID 297773

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Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20136-1 advisory.

 - CVE-2026-24882: stack-based buffer overflow in TPM2 PKDECRYPT for TPM-backed RSA and ECC keys (bsc#1257396).
 - CVE-2026-24883: denial of service due to long signature packet length causing parse_signature to return success with sig->data[] set to a NULL value (bsc#1257395).
 - gpg.fail/filename: GnuPG Accepts Path Separators and Path Traversals in Literal Data Filename Field (bsc#1256389).

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 dirmngr, gpg2, gpg2-lang and / or gpg2-tpm packages.

See Also

https://bugzilla.suse.com/1256389

https://bugzilla.suse.com/1257395

https://bugzilla.suse.com/1257396

https://www.suse.com/security/cve/CVE-2026-24882

https://www.suse.com/security/cve/CVE-2026-24883

Plugin Details

Severity: High

ID: 297773

File Name: openSUSE-2026-20136-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/4/2026

Updated: 2/4/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-24882

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

Vector: CVSS:3.0/AV:L/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:opensuse:16.0, p-cpe:/a:novell:opensuse:gpg2-lang, p-cpe:/a:novell:opensuse:gpg2-tpm, p-cpe:/a:novell:opensuse:dirmngr, p-cpe:/a:novell:opensuse:gpg2

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: 1/29/2026

Vulnerability Publication Date: 1/27/2026

Reference Information

CVE: CVE-2026-24882, CVE-2026-24883