| Name | CVE-2026-14679 |
| Description | 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 18.5, 17.11, 16.15, 15.19, and 14.24 are affected. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4740-1, DSA-6438-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| postgresql-13 (PTS) | bullseye | 13.16-0+deb11u1 | vulnerable |
| bullseye (security) | 13.23-0+deb11u4 | vulnerable | |
| postgresql-15 (PTS) | bookworm | 15.18-0+deb12u1 | vulnerable |
| bookworm (security) | 15.19-0+deb12u1 | fixed | |
| postgresql-17 (PTS) | trixie | 17.10-0+deb13u1 | vulnerable |
| trixie (security) | 17.11-0+deb13u1 | fixed | |
| postgresql-18 (PTS) | forky | 18.4-1 | vulnerable |
| sid | 18.6-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| postgresql-13 | source | (unstable) | (unfixed) | |||
| postgresql-15 | source | bookworm | 15.19-0+deb12u1 | DLA-4740-1 | ||
| postgresql-15 | source | (unstable) | (unfixed) | |||
| postgresql-17 | source | trixie | 17.11-0+deb13u1 | DSA-6438-1 | ||
| postgresql-17 | source | (unstable) | (unfixed) | |||
| postgresql-18 | source | (unstable) | 18.6-1 |
https://www.postgresql.org/support/security/CVE-2026-14679/
https://www.postgresql.org/about/news/postgresql-186-1711-1615-1519-1424-and-19-beta-3-released-3365/