CVE-2024-4076 is a reachable assertion vulnerability in BIND 9. A client DNS query that causes BIND to serve stale cached data while also requiring lookup of local authoritative-zone data can trigger an assertion failure in the named process. Affected upstream release ranges are 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, and the corresponding supported S1 branches.
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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.
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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 assertion-failure vulnerability in BIND 9 when serving stale cache data and authoritative zone content, which can cause denial of service.
A vulnerability addressed by this Red Hat OpenShift Data Foundation 4.16.2 update; no technical details are provided.
A BIND 9 assertion-failure vulnerability triggered while serving both stale cached data and authoritative zone content, with potential denial-of-service impact.
A BIND 9 assertion-failure vulnerability triggered when serving both stale cache data and authoritative zone 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.