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CVE-2023-46218 is a curl cookie-domain validation flaw in Public Suffix List (PSL) handling. curl performs the PSL check with inconsistent case handling, allowing a malicious HTTP server to set a cookie for a public suffix using mixed-case domain input even when the requested host is lowercase. This bypass can cause curl to accept an improperly broad "super cookie" and return it on requests to unrelated origins within the affected domain scope.
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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.
25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown
Unknown; the advisory lists this CVE but provides no vulnerability description.
Addressed in updated multicluster engine for Kubernetes images; flaw details are not supplied.
Unknown
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.