8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.1%
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 115.5.0.
Security Fix(es):
Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer (CVE-2023-6204)
Mozilla: Use-after-free in MessagePort::Entangled (CVE-2023-6205)
Mozilla: Clickjacking permission prompts using the fullscreen transition (CVE-2023-6206)
Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer (CVE-2023-6207)
Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 (CVE-2023-6212)
Mozilla: Using Selection API would copy contents into X11 primary selection. (CVE-2023-6208)
Mozilla: Incorrect parsing of relative URLs starting with “///” (CVE-2023-6209)
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.
bugzilla.redhat.com/show_bug.cgi?id=2250896
bugzilla.redhat.com/show_bug.cgi?id=2250897
bugzilla.redhat.com/show_bug.cgi?id=2250898
bugzilla.redhat.com/show_bug.cgi?id=2250899
bugzilla.redhat.com/show_bug.cgi?id=2250900
bugzilla.redhat.com/show_bug.cgi?id=2250901
bugzilla.redhat.com/show_bug.cgi?id=2250902
errata.rockylinux.org/RLSA-2023:7500
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.1%