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CVE-2026-100806 is an uninitialized-memory vulnerability in the Graphics: WebGPU component. Mozilla fixed the issue in Firefox 157, Firefox ESR 153.4, Thunderbird 157, and Thunderbird 153.4.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An unpatched vulnerability tracked as CVE-2026-100806, detected on Debian Linux 12.0, 13.0, and 14.0 systems, including Firefox ESR package contexts. The supplied CVSS v3 vector indicates network reachability, low attack complexity, no privileges required, user interaction required, and low availability impact.
Referenced as affecting Mozilla Thunderbird versions earlier than 153.4; the specific flaw is not described.
An unspecified vulnerability addressed by upgrading Mozilla Thunderbird to version 153.4 or later.
An uninitialized-memory vulnerability in Firefox's Graphics: WebGPU component.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.