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redhatRedHatRHSA-2023:6194
HistoryOct 30, 2023 - 4:37 p.m.

(RHSA-2023:6194) Important: thunderbird security update

2023-10-3016:37:40
access.redhat.com
7
mozilla thunderbird standalone
security update
cve-2023-5721
cve-2023-5730
libvpx crash
webgl draw crash
webextensions url
javascript engine crash
address bar spoofing

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.9%

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 115.4.1.

Security Fix(es):

  • Mozilla: Queued up rendering could have allowed websites to clickjack (CVE-2023-5721)

  • Mozilla: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4 (CVE-2023-5730)

  • libvpx: crash related to VP9 encoding in libvpx (CVE-2023-44488)

  • Mozilla: Large WebGL draw could have led to a crash (CVE-2023-5724)

  • Mozilla: WebExtensions could open arbitrary URLs (CVE-2023-5725)

  • Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash. (CVE-2023-5728)

  • Mozilla: Address bar spoofing via bidirectional characters (CVE-2023-5732)

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.