Skip to content
ThreatCluster

Multiple Use-After-Free Vulnerabilities Affect Firefox and Thunderbird

First seen 18 Feb 2026, 10:13 UTC

Article Content

Browse articles
ThreatCluster AI
ThreatCluster March 12, 2026 at 16:10 UTC

Two vulnerabilities have been identified affecting Firefox and Thunderbird. CVE-2023-3600, published on July 12, 2023, could lead to a crash during the worker lifecycle for versions below Firefox 115.0.2 and Thunderbird 115.0.1. CVE-2024-4770, published on May 14, 2024, involves a potential use-after-free crash when saving pages to PDF for versions below Firefox 126 and Thunderbird 115.11.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 183d ago How this analysis works

Timeline

2023-07-12
CVE-2023-3600 published
2024-05-14
CVE-2024-4770 published
2026-02-18
Article coverage of CVE-2023-3600 and CVE-2024-4770

More articles in this cluster (7)

Following this threat?

Track CVE-2023-3600 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed