REDHAT-BUG-2503505: Medium severity Mozilla Firefox vulnerability

Published Jul 21, 2026
·
Updated

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

Affected Software

2 affected components
Mozilla Firefox<153
Mozilla Firefox ESR<115.38, <140.13

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 153
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.38
  3. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 140.13

Event History

Jul 21, 2026
Data Sourced
via Red Hat·01:04 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2503505?

The severity of REDHAT-BUG-2503505 is classified as medium with a score of 4.

2

How do I fix REDHAT-BUG-2503505?

To fix REDHAT-BUG-2503505, upgrade to Firefox version 153 or Firefox ESR versions 115.38 or 140.13 or later.

3

What component is affected by REDHAT-BUG-2503505?

The vulnerability REDHAT-BUG-2503505 affects the Audio/Video component of Mozilla Firefox.

4

When was REDHAT-BUG-2503505 published?

REDHAT-BUG-2503505 was published on July 21, 2026.

5

What versions of Firefox are vulnerable in REDHAT-BUG-2503505?

Versions of Mozilla Firefox and Mozilla Firefox ESR prior to 153, 115.38, and 140.13 are vulnerable to REDHAT-BUG-2503505.

Contact

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