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CVE-2026-100798 is a cryptography-misuse vulnerability in Mozilla Firefox's Storage: Quota Manager component. Mozilla corrected the flaw in Firefox 157 and Firefox ESR 153.4. The issue is also listed as fixed in Thunderbird 157 and Thunderbird 153.4.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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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.
A critical, remotely exploitable vulnerability affecting Debian Linux 12.0, 13.0, and 14.0, with CVSS v3 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The provided content identifies it as unpatched and does not describe the underlying affected component or flaw mechanism.
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.
A cryptography-misuse vulnerability in Firefox's Storage: Quota Manager 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.