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CVE-2026-16360 is a collection of unspecified memory-safety bugs affecting Firefox 152, Firefox ESR 115.37, and Firefox ESR 140.12. Some of the flaws showed evidence of memory corruption. Mozilla determined that, with sufficient exploitation effort, some of the underlying bugs could potentially be used to execute arbitrary code. The specific vulnerable components and defect classes were not disclosed.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
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.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the Oracle Linux 7 Firefox security update.
Multiple internally found memory-safety bugs in Firefox releases.
A vulnerability addressed by the Miracle Linux AXSA-2026-1698 advisory; no technical flaw details are provided.
Referenced as one of multiple vulnerabilities addressed by Miracle Linux AXSA-2026-1625 affecting Miracle Linux 9 Thunderbird package; no specific technical details are provided in the content.
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.