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CVE-2026-2006 is an arbitrary code execution vulnerability in PostgreSQL caused by missing validation of multibyte character length during text manipulation. Crafted input can cause malformed multibyte data to reach PostgreSQL string-handling routines, leading to a buffer overrun and out-of-bounds memory access. Available reporting also associates exploitation with symmetric decryption handling in pgcrypto via pgp_sym_decrypt, where malformed UTF-8 can reach multibyte processing functions without proper checks. A database user can trigger the flaw by issuing crafted queries, and successful exploitation can result in execution of arbitrary code as the operating system account running the PostgreSQL server. Affected versions are PostgreSQL before 18.2, 17.8, 16.12, 15.16, and 14.21.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
31 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 remote code execution vulnerability involving missing validation of multibyte character length, affecting BIG-IP Next for Kubernetes via an included third-party component.
A critical memory corruption vulnerability in PostgreSQL's pgcrypto extension affecting symmetric decryption, where malformed UTF-8 can trigger out-of-bounds reads or writes and potentially lead to execution control and system-call triggering.
An arbitrary code execution vulnerability in PostgreSQL caused by missing validation of multibyte character lengths.
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.