CVE-2026-18024 - PostgreSQL ascii() function reads past end of buffer

CVE-2026-18024 - PostgreSQL ascii() function reads past end of buffer

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/13/2026 - 16:26
CVE ID :CVE-2026-18024
Published : Aug. 13, 2026, 1 p.m. | 28 minutes ago
Description :Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed, though this instance has less impact. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity: 4.3 | MEDIUM
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