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CVE-2026-6474 is an externally controlled format string vulnerability in PostgreSQL affecting the timeofday() function, with related unsafe handling also noted in pg_strftime(). A crafted time zone name can introduce percent-format sequences that are passed to snprintf() as a format string rather than treated as data. This can cause unintended interpretation of attacker-controlled format specifiers and disclose portions of PostgreSQL server memory. The issue is also described as having a related path in pg_strftime() where a limited-size output buffer could be overflowed, leading to similar crash or memory disclosure outcomes. Affected versions are PostgreSQL releases before 18.4, 17.10, 16.14, 15.18, and 14.23.
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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.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in PostgreSQL addressed indirectly through upgraded third-party components in Tenable Security Center.
A PostgreSQL vulnerability causing server memory information disclosure.
A PostgreSQL vulnerability in timeofday() and pg_strftime() where crafted time zone names can trigger crashes, memory disclosure, or buffer overflow conditions.
A PostgreSQL vulnerability in timeofday() and pg_strftime() where crafted time zone names can trigger crashes, memory disclosure, or buffer overflow conditions.
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.