AlmaLinux 9 : curl (ALSA-2026:80511)

critical Nessus Plugin ID 368071

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-2026:80511 advisory.

* curl: curl: Cookie injection via malicious HTTP server using super cookies (CVE-2026-8924)
* curl: curl: Information disclosure via incorrect Digest authentication header reuse (CVE-2026-11856)

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

https://access.redhat.com/errata/RHSA-2026:80511

https://errata.almalinux.org/9/ALSA-2026-80511.html

Plugin Details

Severity: Critical

ID: 368071

File Name: alma_linux_ALSA-2026-80511.nasl

Version: 1.1

Type: Local

Published: 10/20/2026

Updated: 10/20/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.41

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-11856

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:curl-minimal, p-cpe:/a:alma:linux:curl, p-cpe:/a:alma:linux:libcurl-devel, p-cpe:/a:alma:linux:libcurl-minimal, p-cpe:/a:alma:linux:libcurl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/12/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-11856, CVE-2026-8924

CWE: 201, 565

RHSA: 2026:80511