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ALSA-2023:5434 Not scored

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 115.3.1 ESR. Security Fix(es): * firefox: use-after-free in workers (CVE-2023-3600) * Mozilla: Out-of-bounds write in PathOps (CVE-2023-5169) * Mozilla: Use-after-free in Ion Compiler (CVE-2023-5171) * Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3 (CVE-2023-5176) * libvpx: Heap buffer overflow in vp8 encoding in libvpx (CVE-2023-5217) 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.

Exploit probability Not scored
Published October 4, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 firefox
AlmaLinux:9 firefox-x11

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2023:5434

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 115.3.1 ESR. Security Fix(es): * firefox: use-after-free in workers (CVE-2023-3600) * Mozilla: Out-of-bounds write in PathOps (CVE-2023-5169) * Mozilla: Use-after-free in Ion Compiler (CVE-2023-5171) * Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3 (CVE-2023-5176) * libvpx: Heap buffer overflow in vp8 encoding in libvpx (CVE-2023-5217) 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.

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05 / REFERENCES

Further evidence