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CVE-2026-82373 is a use-after-free vulnerability in the ZNC IRC bouncer’s module-unloading functionality. An unprivileged ZNC user able to trigger module unloading can cause the vulnerable object-lifetime condition. The documented consequence is denial of service.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the referenced Fedora ZNC/znc-clientbuffer security update; the supplied content does not provide technical vulnerability details.
A vulnerability referenced by the Fedora ZNC/znc-clientbuffer security update.
An unpatched, critical-severity network-exploitable vulnerability associated with ZNC packages on specified Ubuntu and Debian Linux releases. The CVSS v3 vector indicates no privileges or user interaction are required and high confidentiality, integrity, and availability impact.
A security vulnerability in the ZNC IRC bouncer that could result in denial of service on affected Debian 13 systems.
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.