Detections
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AlmaLinux 10 : curl (ALSA-2026:80512)

medium Nessus Plugin ID 367959

Synopsis

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

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:80512 advisory.

 * curl: curl: Proxy credential disclosure via redirects to unauthenticated proxies (CVE-2026-6253)
 * curl: libcurl: Authentication bypass due to incorrect HTTP Negotiate connection reuse (CVE-2026-5545)
 * curl: libcurl: Credential leak via reused proxy connection during HTTP redirects (CVE-2026-6429)
 * curl: libcurl: Information disclosure via incorrect Proxy-Authorization header reuse (CVE-2026-7168)
 * libcurl: libcurl: Use-after-free vulnerability leading to Denial of Service (CVE-2026-10536)

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-2026:80512

https://errata.almalinux.org/10/ALSA-2026-80512.html

Plugin Details

Severity: Medium

ID: 367959

File Name: alma_linux_ALSA-2026-80512.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: 5

Percentile: 94.14

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.8

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

CVSS Score Source: CVE-2026-5545

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:10, cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10::baseos, cpe:/o:alma:linux:10::highavailability, cpe:/o:alma:linux:10::nfv, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::realtime, cpe:/o:alma:linux:10::resilientstorage, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10::supplementary, 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: 4/30/2026

Reference Information

CVE: CVE-2026-10536, CVE-2026-5545, CVE-2026-6253, CVE-2026-6429, CVE-2026-7168

CWE: 201, 488, 825

RHSA: 2026:80512