Detections
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Fedora 44 : curl (2026-f26b509a1a)

critical Nessus Plugin ID 344674

Synopsis

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

Description

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f26b509a1a advisory.

 - Fix HTTP/2 stream-dependency tree UAF (CVE-2026-10536)
 - Fix Native CA trust persist (CVE-2026-11564)
 - Fix stale proxy password leak (CVE-2026-9079)
 - Fix wrong reuse for different services (CVE-2026-8458)

Tenable has extracted the preceding description block directly from the Fedora 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 curl package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-f26b509a1a

Plugin Details

Severity: Critical

ID: 344674

File Name: fedora_2026-f26b509a1a.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/11/2026

Updated: 9/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.12

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-2026-9079

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:fedoraproject:fedora:44, p-cpe:/a:fedoraproject:fedora:curl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/9/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-10536, CVE-2026-11564, CVE-2026-8458, CVE-2026-9079

FEDORA: 2026-f26b509a1a

IAVA: 2026-A-0627-S