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OpenAdvisories
High ELSA-2026-19588 4 CVEs

Important: firefox security update (Oracle Linux 8)

Published May 23, 2026 · Updated May 23, 2026

Summary

[140.10.1-1.0.1]
- Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079789]
- diable wasi_sdk to prevent build failure with newer llvm

[140.10.1]
- Add debranding patches (Mustafa Gezen)
- Add OpenELA default preferences (Louis Abel)

[140.10.1-1]
- Update to 140.10.1 ESR

Fixed packages 1

ReleasePackageFixed in
Oracle Linux · 8 firefox 0:140.10.1-1.0.1.el8_10

Vulnerabilities 4

  • Critical 9.6

    Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

    Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.

  • High 7.5

    Information disclosure due to incorrect boundary conditions in the Audio/Video component

    Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

  • High 7.3

    Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

    Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability wa…

  • High 7.3

    Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

    Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability wa…