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Fedora 42 : cef (2026-6188cc51be)

high Nessus Plugin ID 305673

Synopsis

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

Description

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6188cc51be advisory.

 Update to cef-146.0.9+g3ca6a87 + chromium 146.0.7680.164

 * High CVE-2026-4673: Heap buffer overflow in WebAudio
 * High CVE-2026-4674: Out of bounds read in CSS
 * High CVE-2026-4675: Heap buffer overflow in WebGL
 * High CVE-2026-4676: Use after free in Dawn
 * High CVE-2026-4677: Out of bounds read in WebAudio
 * High CVE-2026-4678: Use after free in WebGPU
 * High CVE-2026-4679: Integer overflow in Fonts
 * High CVE-2026-4680: Use after free in FedCM
 * CVE-2026-4439: Out of bounds memory access in WebGL
 * CVE-2026-4440: Out of bounds read and write in WebGL
 * CVE-2026-4441: Use after free in Base
 * CVE-2026-4442: Heap buffer overflow in CSS
 * CVE-2026-4443: Heap buffer overflow in WebAudio
 * CVE-2026-4444: Stack buffer overflow in WebRTC
 * CVE-2026-4445: Use after free in WebRTC
 * CVE-2026-4446: Use after free in WebRTC
 * CVE-2026-4447: Inappropriate implementation in V8
 * CVE-2026-4448: Heap buffer overflow in ANGLE
 * CVE-2026-4449: Use after free in Blink
 * CVE-2026-4450: Out of bounds write in V8
 * CVE-2026-4451: Insufficient validation of untrusted input in Navigation
 * CVE-2026-4452: Integer overflow in ANGLE
 * CVE-2026-4453: Integer overflow in Dawn
 * CVE-2026-4454: Use after free in Network
 * CVE-2026-4455: Heap buffer overflow in PDFium
 * CVE-2026-4456: Use after free in Digital Credentials API
 * CVE-2026-4457: Type Confusion in V8
 * CVE-2026-4458: Use after free in Extensions
 * CVE-2026-4459: Out of bounds read and write in WebAudio
 * CVE-2026-4460: Out of bounds read in Skia
 * CVE-2026-4461: Inappropriate implementation in V8
 * CVE-2026-4462: Out of bounds read in Blink
 * CVE-2026-4463: Heap buffer overflow in WebRTC
 * CVE-2026-4464: Integer overflow in ANGLE
 * CVE-2026-3909: Out of bounds write in Ski
 * CVE-2026-3909: Out of bounds write in Skia
 * CVE-2026-3910: Inappropriate implementation in V8
 * CVE-2026-3913: Heap buffer overflow in WebML
 * CVE-2026-3914: Integer overflow in WebML
 * CVE-2026-3915: Heap buffer overflow in WebML
 * CVE-2026-3916: Out of bounds read in Web Speech
 * CVE-2026-3917: Use after free in Agents
 * CVE-2026-3909: Out of bounds write in Skia
 * CVE-2026-3910: Inappropriate implementation in V8
 * CVE-2026-3913: Heap buffer overflow in WebML
 * CVE-2026-3914: Integer overflow in WebML
 * CVE-2026-3915: Heap buffer overflow in WebML
 * CVE-2026-3916: Out of bounds read in Web Speech
 * CVE-2026-3917: Use after free in Agents
 * CVE-2026-3918: Use after free in WebMCP
 * CVE-2026-3919: Use after free in Extensions
 * CVE-2026-3920: Out of bounds memory access in WebML
 * CVE-2026-3921: Use after free in TextEncoding
 * CVE-2026-3922: Use after free in MediaStream
 * CVE-2026-3923: Use after free in WebMIDI
 * CVE-2026-3924: Use after free in WindowDialog
 * CVE-2026-3925: Incorrect security UI in LookalikeChecks
 * CVE-2026-3926: Out of bounds read in V8
 * CVE-2026-3927: Incorrect security UI in PictureInPicture
 * CVE-2026-3928: Insufficient policy enforcement in Extensions
 * CVE-2026-3929: Side-channel information leakage in ResourceTiming
 * CVE-2026-3930: Unsafe navigation in Navigation
 * CVE-2026-3931: Heap buffer overflow in Skia
 * CVE-2026-3932: Insufficient policy enforcement in PDF
 * CVE-2026-3934: Insufficient policy enforcement in ChromeDriver
 * CVE-2026-3935: Incorrect security UI in WebAppInstalls
 * CVE-2026-3936: Use after free in WebView
 * CVE-2026-3937: Incorrect security UI in Downloads
 * CVE-2026-3938: Insufficient policy enforcement in Clipboard
 * CVE-2026-3939: Insufficient policy enforcement in PDF
 * CVE-2026-3940: Insufficient policy enforcement in DevTools
 * CVE-2026-3941: Insufficient policy enforcement in DevTools
 * CVE-2026-3942: Incorrect security UI in PictureInPicture

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-2026-6188cc51be

Plugin Details

Severity: High

ID: 305673

File Name: fedora_2026-6188cc51be.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/9/2026

Updated: 4/9/2026

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2026-4442

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:42

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: 3/31/2026

Vulnerability Publication Date: 3/10/2026

CISA Known Exploited Vulnerability Due Dates: 3/27/2026

Reference Information

CVE: CVE-2026-3909, CVE-2026-3910, CVE-2026-3913, CVE-2026-3914, CVE-2026-3915, CVE-2026-3916, CVE-2026-3917, CVE-2026-3918, CVE-2026-3919, CVE-2026-3920, CVE-2026-3921, CVE-2026-3922, CVE-2026-3923, CVE-2026-3924, CVE-2026-3925, CVE-2026-3926, CVE-2026-3927, CVE-2026-3928, CVE-2026-3929, CVE-2026-3930, CVE-2026-3931, CVE-2026-3932, CVE-2026-3934, CVE-2026-3935, CVE-2026-3936, CVE-2026-3937, CVE-2026-3938, CVE-2026-3939, CVE-2026-3940, CVE-2026-3941, CVE-2026-3942, CVE-2026-4439, CVE-2026-4440, CVE-2026-4441, CVE-2026-4442, CVE-2026-4443, CVE-2026-4444, CVE-2026-4445, CVE-2026-4446, CVE-2026-4447, CVE-2026-4448, CVE-2026-4449, CVE-2026-4450, CVE-2026-4451, CVE-2026-4452, CVE-2026-4453, CVE-2026-4454, CVE-2026-4455, CVE-2026-4456, CVE-2026-4457, CVE-2026-4458, CVE-2026-4459, CVE-2026-4460, CVE-2026-4461, CVE-2026-4462, CVE-2026-4463, CVE-2026-4464, CVE-2026-4673, CVE-2026-4674, CVE-2026-4675, CVE-2026-4676, CVE-2026-4677, CVE-2026-4678, CVE-2026-4679, CVE-2026-4680