CVE-2026-14679High· 8.2▾ TwilightStack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
postgresql >= 14.0, < 14.24postgresql >= 15.0, < 15.19postgresql >= 16.0, < 16.15postgresql >= 17.0, < 17.11postgresql >= 18.0, < 18.5Upgrade past the affected range:
postgresql 18.5Connected by shared product, vendor, weakness, or advisory.
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