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Fedora 43 : aegisub (2026-78a11da997)

high Nessus Plugin ID 365517

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 a vulnerability as referenced in the FEDORA-2026-78a11da997 advisory.

 Update to Aegisub 3.5.0, fixing CVE-2026-92705: arbitrary code execution when opening crafted ASS subtitle files containing associated Automation script references. The fix requires confirmation before loading associated scripts, makes extension validation consistent with filesystem path interpretation, and sanitizes embedded NUL characters in project metadata. Upstream advisory:
 https://github.com/TypesettingTools/Aegisub/security/advisories/GHSA-67hq-5vgg-6f23

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected aegisub package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-78a11da997

Plugin Details

Severity: High

ID: 365517

File Name: fedora_2026-78a11da997.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/14/2026

Updated: 10/14/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.39

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-92705

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2026

Vulnerability Publication Date: 10/5/2026

Reference Information

CVE: CVE-2026-92705