RHSA-2023:4461 — Security Advisory

Red Hat Security Advisory: firefox security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · August 3, 2023

Updated · June 26, 2026

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 102.14.0 ESR.

Security Fix(es):

  • Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions (CVE-2023-4045)

  • Mozilla: Incorrect value used during WASM compilation (CVE-2023-4046)

  • Mozilla: Potential permissions request bypass via clickjacking (CVE-2023-4047)

  • Mozilla: Crash in DOMParser due to out-of-memory conditions (CVE-2023-4048)

  • Mozilla: Fix potential race conditions when releasing platform objects (CVE-2023-4049)

  • Mozilla: Stack buffer overflow in StorageManager (CVE-2023-4050)

  • Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14 (CVE-2023-4056)

  • Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1 (CVE-2023-4057)

  • Mozilla: Cookie jar overflow caused unexpected cookie jar state (CVE-2023-4055)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2023:4461 — Red Hat Security Advisory: firefox security update | PulseLinux