onyx

onyx --cves cve-2026-18024

CVE-2026-18024

MEDADV 1PostgreSQL
score
4.5
cvss
4.3
epss
0.2%
published
2026-08-13
kev added
—
first seen

PostgreSQL < 18.5, 17.11, 16.15, 15.19, and 14.24 contains a buffer over-read caused by improper bounds checking in the ascii() SQL function, letting authenticated users disclose up to 3 bytes beyond allocated memory, exploit requires crafted text input.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-08-13 — PublishedP2026-10-16 — First advisory — CERT-FR (avis): Multiples vulnérabilités dans les produits IBM (16 octobre 2026)A2026-10-21 — Tracked by OnyxTscore2026-10-21: score 4.54.5epss2026-09-22: epss 0.2%2026-09-23: epss 0.2%2026-09-24: epss 0.2%2026-09-25: epss 0.2%2026-09-26: epss 0.2%2026-09-27: epss 0.2%2026-09-29: epss 0.2%2026-09-30: epss 0.2%2026-10-01: epss 0.2%2026-10-02: epss 0.2%2026-10-03: epss 0.2%2026-10-04: epss 0.2%2026-10-05: epss 0.2%2026-10-06: epss 0.2%2026-10-07: epss 0.2%2026-10-08: epss 0.2%2026-10-09: epss 0.2%2026-10-10: epss 0.2%2026-10-11: epss 0.2%2026-10-12: epss 0.2%2026-10-13: epss 0.2%2026-10-14: epss 0.2%2026-10-15: epss 0.2%2026-10-16: epss 0.2%2026-10-18: epss 0.2%2026-10-19: epss 0.2%2026-10-20: epss 0.2%2026-10-21: epss 0.2%0.2%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. First advisory — CERT-FR (avis) Multiples vulnérabilités dans les produits IBM (16 octobre 2026)
  3. Tracked by Onyx

Advisories

1 feed this week

Weaknesses

CWE-126

References 1