thunderbird-140.10.1-1.el8_10.ML.1

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323)
* firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320)
* firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322)
* firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321)

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.

CVE-2026-7320
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.
CVE-2026-7321
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.
CVE-2026-7322
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 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.
CVE-2026-7323
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 was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.