Fedora 43 : prosody (2026-36c53b9ca8)

high Nessus Plugin ID 313719

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-2026-36c53b9ca8 advisory.

# Prosody 13.0.5

Upstream is pleased to announce a new minor release from their stable branch.

This is a security release for the Prosody 13.0.x stable series. It fixes multiple security issues, some memory leaks and some smaller bugs and changes which have been implemented since the previous release.

Full details about the security vulnerabilities can be found in upstream's [security advisory](https://prosody.im/security/advisory_735dd9d3/). Upstream encourages all Prosody operators on 13.0.4 or earlier to upgrade to 13.0.5 as soon as possible, or to review the advisory and implement appropriate mitigations.

A summary of changes in this release:

## Security
- mod_proxy65: Consistently apply authorization checks
- mod_proxy65: Dont proxy data until after bytestream activation
- mod_c2s, mod_s2s: Introduce new pre-authentication stanza size limit
- Add limit for stanza max child elements
- mod_c2s: Remove timers immediately on disconnection
- net.server_epoll: Clean up timers after disconnection

## Fixes and improvements
- net.http.parser: Fix handling of chunked request
- MUC: Advertise hats feature on room JID
- moduleapi: Use multitable add/remove instead of set (fixes memory leak)
- mod_cloud_notify: Fix leaking iq response handlers by using `send_iq()`
- Improve federation with servers using only IP addresses
- prosody: Prevent loading local code when installed system-wide
- mod_http_file_share: Improve handling of Range requests
- mod_carbons: Fix some carbons decision-making bugs

## Minor changes
- net.resolvers: Fix to avoid SRV lookups for IP addresses
- prosody: Abort earlier on incompatible Lua version
- mod_turn_external: hand out credentials for type `==` turns too
- mod_s2s: Fully validate stream addressing
- prosodyctl check features: Warn if http file sharing enabled on both host and component
- util.prosodyctl: Dont check for mod_posix being disabled, its deprecated
- util.startup: Improve error message when failing to load config file
- util.x509: Add support for iPAddress certs
- prosodyctl: Trim any trailing newline from password entry
- mod_admin_shell: Make cert index search path relative to config file
- mod_admin_shell: Improve multi-host command handling
- mod_admin_shell: Show help listing when specifying only a section name
- mod_admin_shell: Ensure password validity when setting passwords for new/existing users
- mod_account_activity: Handle authentication provider returning no user info
- config: Use default value when enum option has incorrect value
- mod_http: Handle streaming requests to avoid invoking redirect handler


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 prosody package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-36c53b9ca8

Plugin Details

Severity: High

ID: 313719

File Name: fedora_2026-36c53b9ca8.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/10/2026

Updated: 5/10/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-43507

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:prosody, 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: 5/1/2026

Vulnerability Publication Date: 5/1/2026

Reference Information

CVE: CVE-2026-43504, CVE-2026-43505, CVE-2026-43506, CVE-2026-43507