Linux · Security advisory · January 2, 2024

RHSA-2024:0025: Security update for 2 packages

RHSA-2024:0025, released January 2, 2024, fixes 11 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
11
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.2063
97th percentile

Priority of the 11 CVEs

Patch now 0 Urgent 0 High 8 Routine 3

Fixed package versions

ProductReleaseFixed in
firefoxRHEL 90:115.6.0-1.el9_3
firefox-x11RHEL 90:115.6.0-1.el9_3

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2023-6856 Mozilla Firefox ESR and 5 others: The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems… 8.8 0.2063 None reported
High CVE-2023-6858 Mozilla Firefox ESR and 5 others: Out-of-bounds Write 8.8 0.0154 None reported
High CVE-2023-6861 Mozilla Firefox ESR and 5 others: The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless… 8.8 0.0141 None reported
High CVE-2023-6864 Mozilla Firefox ESR and 5 others: Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 8.8 0.0119 None reported
High CVE-2023-6859 Mozilla Firefox ESR and 5 others: A use-after-free condition affected TLS socket creation when under memory pressure. 8.8 0.0109 None reported
High CVE-2023-6863 Mozilla Firefox ESR and 5 others: The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic… 8.8 0.0104 None reported
High CVE-2023-6862 Mozilla Thunderbird and 1 other: A use-after-free was identified in the `nsDNSService::Init`. 8.8 0.0095 None reported
High CVE-2023-6865 Mozilla Firefox ESR and 3 others: `EncryptingOutputStream` was susceptible to exposing uninitialized data. 7.5 0.0089 None reported
Routine CVE-2023-6860 Mozilla Firefox ESR and 5 others: The `VideoBridge` allowed any content process to use textures produced by remote decoders. 6.5 0.0096 None reported
Routine CVE-2023-6867 Mozilla Firefox ESR and 3 others: The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking… 6.1 0.0068 None reported
Routine CVE-2023-6857 thunderbird: When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary 6.1 0.0067 None reported
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