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CVE-2026-92388 is a use-after-free vulnerability in libcurl's FTP wildcard matching code. FTP wildcard-transfer data can be delivered to the wrong application write callback, potentially causing an application crash or arbitrary code execution. The vulnerability is fixed in curl 8.23.0; distribution packages may contain backported fixes.
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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.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Referenced by an Ubuntu local security check covering curl packages. No individual technical description or vulnerability-specific exploit availability is provided.
A use-after-free in libcurl's FTP wildcard matching code could cause a crash and denial of service or allow arbitrary code execution.
A critical vulnerability affecting curl and related packages. The listed CVSS v3 score is 9.1, indicating network exploitation with low complexity, no privileges or user interaction required, and high integrity and availability impact. The underlying technical flaw is not described. The advisory recommends updating to version 1:8.23.0-1+e1 or later.
An FTP wildcard-transfer flaw can deliver transfer data to the wrong application write callback.
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.