Summary
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.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | firefox | 115.3.1-1.el9_2.alma.1 |
| AlmaLinux · 9 | firefox-x11 | 115.3.1-1.el9_2.alma.1 |
Vulnerabilities 5
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High 8.8
Electron affected by libvpx's heap buffer overflow in vp8 encoding
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
KEV Oct 2, 2023 -
Critical 9.8
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence…
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Unscored —
Use-after-free in workers
During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
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Unscored —
A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds wri…
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Unscored —
During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to…
References
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report
https://access.redhat.com/security/cve/CVE-2023-3600
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report
https://access.redhat.com/security/cve/CVE-2023-5169
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report
https://access.redhat.com/security/cve/CVE-2023-5171
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report
https://access.redhat.com/security/cve/CVE-2023-5176
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report
https://access.redhat.com/security/cve/CVE-2023-5217
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report
https://bugzilla.redhat.com/2222652
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report
https://bugzilla.redhat.com/2240893
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report
https://bugzilla.redhat.com/2240894
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report
https://bugzilla.redhat.com/2240896
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report
https://bugzilla.redhat.com/2241191
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advisory
https://errata.almalinux.org/9/ALSA-2023-5434.html