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THREAT OPS › Threat News › [NVD] CVE-2026-18024 (MEDIUM 4.3) — 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 Postgre

[NVD] CVE-2026-18024 (MEDIUM 4.3) — 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 Postgre

mednvdPublished 2026-08-13

CVE-2026-18024 CVSS: 4.3 MEDIUM Published: 2026-08-13T13:17:47.880

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 18.6, 17.11, 16.15, 15.19, and 14.24 are affecte

Indicators of compromise

CVE-2026-18024cve
CVE-2026-2006cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18024