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RockyLinux 8 : osbuild-composer (RLSA-2026:48790)

medium Nessus Plugin ID 331483

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Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:48790 advisory.

 * google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)

 * github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986)

 * golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

 * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)

 * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)

Tenable has extracted the preceding description block directly from the RockyLinux 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.redhat.com/show_bug.cgi?id=2449833

https://bugzilla.redhat.com/show_bug.cgi?id=2455470

https://bugzilla.redhat.com/show_bug.cgi?id=2456336

https://bugzilla.redhat.com/show_bug.cgi?id=2456338

https://bugzilla.redhat.com/show_bug.cgi?id=2456339

https://errata.rockylinux.org/RLSA-2026:48790

Plugin Details

Severity: Medium

ID: 331483

File Name: rocky_linux_RLSA-2026-48790.nasl

Version: 1.1

Type: Local

Published: 7/31/2026

Updated: 7/31/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.81

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-32282

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:osbuild-composer-core-debuginfo, p-cpe:/a:rocky:linux:osbuild-composer-core, p-cpe:/a:rocky:linux:osbuild-composer-debuginfo, p-cpe:/a:rocky:linux:osbuild-composer-debugsource, p-cpe:/a:rocky:linux:osbuild-composer-worker-debuginfo, p-cpe:/a:rocky:linux:osbuild-composer-worker, p-cpe:/a:rocky:linux:osbuild-composer

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/1/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-32280, CVE-2026-32282, CVE-2026-32283, CVE-2026-33186, CVE-2026-34986

IAVB: 2026-B-0089-S