Detections
Analytics
AlmaLinux 9 : podman (ALSA-2026:37123)
high Nessus Plugin ID 326520
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:37123 advisory.* golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate (CVE-2026-39835)
* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters (CVE-2026-39829)
* golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions (CVE-2026-39832)
* golang.org/x/crypto/ssh/knownhosts: golang: golang.org/x/crypto/ssh/knownhosts: Revocation bypass via unchecked SignatureKey (CVE-2026-42508)
* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass (CVE-2026-27136)
* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)
* podman: Podman: Information disclosure via malicious container image environment variables (CVE-2026-57231)
Bug Fix(es) and Enhancement(s):
* podman does not clean up all files and leaves orphaned files consuming disk space [almalinux-9.8.z] (JIRA:AlmaLinux-173988)
* [FJ9.8 Bug]: [REG]The podman-remote save command fails for rootless users. [almalinux-9.8.z] (JIRA:AlmaLinux-192439)
Tenable has extracted the preceding description block directly from the AlmaLinux 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
Plugin Details
Severity: High
ID: 326520
File Name: alma_linux_ALSA-2026-37123.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 7/13/2026
Updated: 7/13/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 94.14
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2026-42508
CVSS v3
Risk Factor: High
Base Score: 8.7
Temporal Score: 7.6
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2026-39832
Vulnerability Information
CPE: p-cpe:/a:alma:linux:podman-docker, p-cpe:/a:alma:linux:podman, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::realtime, p-cpe:/a:alma:linux:podman-plugins, cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:podman-remote, p-cpe:/a:alma:linux:podman-tests, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::baseos
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 7/9/2026
Vulnerability Publication Date: 5/12/2026
Reference Information
CVE: CVE-2026-25681, CVE-2026-27136, CVE-2026-39829, CVE-2026-39832, CVE-2026-39835, CVE-2026-42508, CVE-2026-57231