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Fedora 43 : cef (2026-ffdca48c25)

high Nessus Plugin ID 306613

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-ffdca48c25 advisory.

 Update to 146.0.7680.177 + cef-146.0.11+g8e1262b

 * High CVE-2026-5273: Use after free in CSS
 * High CVE-2026-5272: Heap buffer overflow in GPU
 * High CVE-2026-5274: Integer overflow in Codecs
 * High CVE-2026-5275: Heap buffer overflow in ANGLE
 * High CVE-2026-5276: Insufficient policy enforcement in WebUSB
 * High CVE-2026-5277: Integer overflow in ANGLE
 * High CVE-2026-5278: Use after free in Web MIDI
 * High CVE-2026-5279: Object corruption in V8
 * High CVE-2026-5280: Use after free in WebCodecs
 * High CVE-2026-5281: Use after free in Dawn
 * High CVE-2026-5282: Out of bounds read in WebCodecs
 * High CVE-2026-5283: Inappropriate implementation in ANGLE
 * High CVE-2026-5284: Use after free in Dawn
 * High CVE-2026-5285: Use after free in WebGL
 * High CVE-2026-5286: Use after free in Dawn
 * High CVE-2026-5287: Use after free in PDF
 * High CVE-2026-5288: Use after free in WebView
 * High CVE-2026-5289: Use after free in Navigation
 * High CVE-2026-5290: Use after free in Compositing
 * Medium CVE-2026-5291: Inappropriate implementation in WebGL
 * Medium CVE-2026-5292: Out of bounds read in WebCodecs

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 cef package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-ffdca48c25

Plugin Details

Severity: High

ID: 306613

File Name: fedora_2026-ffdca48c25.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/16/2026

Updated: 4/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-5282

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.5

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

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

Vulnerability Information

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

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: 4/15/2026

Vulnerability Publication Date: 3/31/2026

CISA Known Exploited Vulnerability Due Dates: 4/15/2026

Reference Information

CVE: CVE-2026-5272, CVE-2026-5273, CVE-2026-5274, CVE-2026-5275, CVE-2026-5276, CVE-2026-5277, CVE-2026-5278, CVE-2026-5279, CVE-2026-5280, CVE-2026-5281, CVE-2026-5282, CVE-2026-5283, CVE-2026-5284, CVE-2026-5285, CVE-2026-5286, CVE-2026-5287, CVE-2026-5288, CVE-2026-5289, CVE-2026-5290, CVE-2026-5291, CVE-2026-5292