Medium severity4.3NVD Advisory· Published Aug 13, 2026· Updated Aug 29, 2026
CVE-2026-18024
CVE-2026-18024
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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13- osv-coords12 versionspkg:rpm/opensuse/postgresql17&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/postgresql17&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql18-mini&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql14&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql18&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/postgresql16&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql16&distro=openSUSE%20Tumbleweedpkg:bitnami/postgresqlpkg:rpm/opensuse/postgresql14&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/postgresql15&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/postgresql15&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/postgresql18&distro=openSUSE%20Leap%2016.0
< 17.11-1.1+ 11 more
- (no CPE)range: < 17.11-1.1
- (no CPE)range: < 17.11-160000.1.1
- (no CPE)range: < 18.6-160000.1.1
- (no CPE)range: < 14.24-160000.1.1
- (no CPE)range: < 18.6-1.1
- (no CPE)range: < 16.15-160000.1.1
- (no CPE)range: < 16.15-1.1
- (no CPE)range: < 14.24.0
- (no CPE)range: < 14.24-1.1
- (no CPE)range: < 15.19-160000.1.1
- (no CPE)range: < 15.19-1.1
- (no CPE)range: < 18.6-160000.1.1
- Range: <18.6, <17.11, <16.15, <15.19, <14.24
Patches
Vulnerability mechanics
References
1- www.postgresql.org/support/security/CVE-2026-18024/nvdVendor Advisory
News mentions
1- PostgreSQL: 25 Vulnerabilities Disclosed, Many Allowing Code ExecutionVypr Intelligence · Aug 13, 2026