Insufficient data validation in Extensions.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-650bd96540 advisory.

     Update to 149.0.7827.155

      * CVE-2026-12437: Use after free in WebShare
      * CVE-2026-12438: Inappropriate implementation in WebView
      * CVE-2026-12439: Use after free in Digital Credentials
      * CVE-2026-12440: Use after free in DigitalCredentials
      * CVE-2026-12441: Use after free in File Input
      * CVE-2026-12442: Use after free in Passwords
      * CVE-2026-12443: Use after free in Web Authentication
      * CVE-2026-12444: Out of bounds read in Chromoting
      * CVE-2026-12445: Use after free in Extensions
      * CVE-2026-12446: Insufficient data validation in Passwords
      * CVE-2026-12447: Heap buffer overflow in WebRTC
      * CVE-2026-12448: Inappropriate implementation in WebView
      * CVE-2026-12449: Use after free in Chromoting
      * CVE-2026-12450: Inappropriate implementation in Media
      * CVE-2026-12451: Use after free in DigitalCredentials
      * CVE-2026-12452: Use after free in Downloads
      * CVE-2026-12453: Insufficient validation of untrusted input in Input
      * CVE-2026-12454: Race in Safe Browsing
      * CVE-2026-12455: Use after free in Tab Strip
      * CVE-2026-12456: Insufficient validation of untrusted input in Extensions
      * CVE-2026-12457: Insufficient data validation in Extensions
      * CVE-2026-12458: Incorrect security UI in Passwords
      * CVE-2026-12459: Inappropriate implementation in Serial
      * CVE-2026-12460: Insufficient policy enforcement in File System Access
      * CVE-2026-12461: Out of bounds read in WebRTC
      * CVE-2026-12462: Use after free in Media
      * CVE-2026-12463: Inappropriate implementation in Views
      * CVE-2026-12464: Use after free in Browser
      * CVE-2026-12465: Insufficient validation of untrusted input in Metrics
      * CVE-2026-12466: Heap buffer overflow in WebRTC
      * CVE-2026-12467: Use after free in Extensions
      * CVE-2026-12468: Inappropriate implementation in Updater
      * CVE-2026-12469: Uninitialized Use in GPU


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.

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6351 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6351-1                   security@debian.org     https://www.debian.org/security/                           Andres Salomon     June 18, 2026                         https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : chromium     CVE ID         : CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440                      CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444                      CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448                      CVE-2026-12449 CVE-2026-12450 CVE-2026-12451 CVE-2026-12452                      CVE-2026-12453 CVE-2026-12454 CVE-2026-12455 CVE-2026-12456                      CVE-2026-12457 CVE-2026-12458 CVE-2026-12459 CVE-2026-12460                      CVE-2026-12461 CVE-2026-12462 CVE-2026-12463 CVE-2026-12464                      CVE-2026-12465 CVE-2026-12466 CVE-2026-12467 CVE-2026-12468                      CVE-2026-12469

    Security issues were discovered in Chromium which could result     in the execution of arbitrary code, denial of service, or information     disclosure.

    For the stable distribution (trixie), these problems have been fixed in     version 149.0.7827.155-1~deb13u1.

    For the oldstable distribution (bookworm), these problems have been fixed in     version 149.0.7827.155-1~deb12u1.

    We recommend that you upgrade your chromium packages.

    For the detailed security status of chromium please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/chromium

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

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

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Insufficient data validation in Extensions. (CVE-2026-12457)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the cffe1232-e4b3-4c72-8b4c-6a8298c9b289 advisory.

    Chrome Releases reports:
    This update includes 33 security fixes:

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

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

The version of Google Chrome installed on the remote Windows host is prior to 149.0.7827.155. It is, therefore, affected by multiple vulnerabilities as referenced in the 2026_06_stable-channel-update-for-desktop_01750511403 advisory.

  - Use after free in Extensions. (CVE-2026-12445, CVE-2026-12467)

  - Use after free in WebShare. (CVE-2026-12437)

  - Inappropriate implementation in WebView. (CVE-2026-12438, CVE-2026-12448)

  - Use after free in Digital Credentials. (CVE-2026-12439)

  - Use after free in DigitalCredentials. (CVE-2026-12440, CVE-2026-12451)

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

The version of Google Chrome installed on the remote macOS host is prior to 149.0.7827.155. It is, therefore, affected by multiple vulnerabilities as referenced in the 2026_06_stable-channel-update-for-desktop_01750511403 advisory.

  - Use after free in Extensions. (CVE-2026-12445, CVE-2026-12467)

  - Use after free in WebShare. (CVE-2026-12437)

  - Inappropriate implementation in WebView. (CVE-2026-12438, CVE-2026-12448)

  - Use after free in Digital Credentials. (CVE-2026-12439)

  - Use after free in DigitalCredentials. (CVE-2026-12440, CVE-2026-12451)

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

ID	Name	Product	Family	Severity
321852	Fedora 44 : chromium (2026-650bd96540)	Nessus	Fedora Local Security Checks	critical
321738	Debian dsa-6351 : chromium - security update	Nessus	Debian Local Security Checks	critical
321426	Linux Distros Unpatched Vulnerability : CVE-2026-12457	Nessus	Misc.	medium
321374	FreeBSD : chromium -- security fixes (cffe1232-e4b3-4c72-8b4c-6a8298c9b289)	Nessus	FreeBSD Local Security Checks	critical
321274	Google Chrome < 149.0.7827.155 Multiple Vulnerabilities	Nessus	Windows	critical
321273	Google Chrome < 149.0.7827.155 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	critical

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CVE-2026-12457

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