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CVE-2026-100756 is an incorrect boundary-conditions vulnerability in Mozilla Firefox's Audio/Video: Playback component. Fixed releases are Firefox 157, Firefox ESR 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-accessible, low-complexity vulnerability with no required privileges or user interaction, rated CVSS v3.0 9.8, affecting Debian Linux 12.0, 13.0, and 14.0 according to the plugin metadata. The supplied content does not identify the underlying affected component or flaw type.
An incorrect boundary-conditions vulnerability in Firefox's Audio/Video Playback component.
A vulnerability addressed by a Slackware Mozilla Firefox package update; no technical vulnerability details are provided.
An incorrect-boundary-conditions vulnerability in Mozilla's Audio/Video Playback 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.