Detections
Analytics

Fedora 43 : erlang (2026-965be97ac0)

high Nessus Plugin ID 327809

Synopsis

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

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-965be97ac0 advisory.

 Backport fixes for CVE-2026-48858 (ftp SSRF), CVE-2026-49759 (SCTP DoS), CVE-2026-48860 (dist-over-TLS auth bypass), CVE-2026-54886 (ssh SFTP DoS), CVE-2026-54891 (TLS handshake data injection), and CVE-2026-55952 (TLS 1.3 session ticket DoS). These are fixed upstream in OTP 27.x (rawhide/f45);
 backported here to the OTP 26.x line.

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 erlang package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-965be97ac0

Plugin Details

Severity: High

ID: 327809

File Name: fedora_2026-965be97ac0.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/19/2026

Updated: 7/19/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-49759

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 6.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:erlang, cpe:/o:fedoraproject:fedora:43

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/10/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-48858, CVE-2026-48860, CVE-2026-49759, CVE-2026-54886, CVE-2026-54891, CVE-2026-55952

FEDORA: 2026-965be97ac0

IAVA: 2026-A-0594, 2026-A-0655