RHEL 10 : buildah (RHSA-2026:88262)

medium Nessus Plugin ID 370932

Synopsis

The remote Red Hat host is missing one or more security updates for buildah.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:88262 advisory.

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images.

Security Fix(es):

* podman: Arbitrary file write when importing OCI archive (CVE-2025-11395)

* net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)

* net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)

* crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL buildah package based on the guidance in RHSA-2026:88262.

See Also

https://access.redhat.com/errata/RHSA-2026:88262

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2548334

https://bugzilla.redhat.com/show_bug.cgi?id=2548344

https://bugzilla.redhat.com/show_bug.cgi?id=2556068

http://www.nessus.org/u?1bccbd02

Plugin Details

Severity: Medium

ID: 370932

File Name: redhat-RHSA-2026-88262.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

Percentile: 98.15

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-111943

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2025-11395

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:buildah-tests, p-cpe:/a:redhat:enterprise_linux:buildah

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 9/15/2026

Reference Information

CVE: CVE-2025-11395, CVE-2026-111943, CVE-2026-78667, CVE-2026-78669

CWE: 277, 295, 770

RHSA: 2026:88262