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CVE-2026-16238 is a type-confusion vulnerability in PostgreSQL's pg_restore_attribute_stats() handling of range and multirange values. The function can conflate these incompatible value types, enabling an attacker who can create a suitable database object to corrupt execution state and execute arbitrary code in the operating-system context of the PostgreSQL database server process. The issue affects PostgreSQL 18 releases prior to 18.6; PostgreSQL major versions earlier than 18 are unaffected.
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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.
If you can’t patch tonight, do this now.
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.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the Oracle Linux 9 PostgreSQL-related package security update.
A vulnerability addressed by the AlmaLinux ALSA-2026:67280 update for PostgreSQL 18 packages.
A vulnerability addressed by the Oracle Linux PostgreSQL 18 security advisory.
A PostgreSQL arbitrary-code-execution vulnerability caused by type confusion in pg_restore_attribute_stats().
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.