8.2

CVE-2026-14679: postgresql Stack-based Buffer Overflow

CVSS: 8.2v3.1HighModified
AliasesALPINE-CVE-2026-14679UBUNTU-CVE-2026-14679DEBIAN-CVE-2026-14679
Published 13-08-2026Last modified 29-08-2026
Open JSON

Vulnerability summary

CVE-2026-14679 is a high (CVSS 8.2) Stack-based Buffer Overflow vulnerability in postgresql. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.5% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 54 · Related 30
MGASA-2026-0347OPENSUSE-SU-2026:11552-1OPENSUSE-SU-2026:11553-1OPENSUSE-SU-2026:11554-1OPENSUSE-SU-2026:11555-1OPENSUSE-SU-2026:11565-1

Timeline

  1. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 29-08-2026
    Last modifiedVulnerability information updated.

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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu7 products
  • postgresql-10All versions (No fix recorded)
  • postgresql-12All versions (No fix recorded)
  • postgresql-14< 14.24-0ubuntu0.22.04.1
  • postgresql-16< 16.15-0ubuntu0.24.04.1
  • postgresql-18< 18.6-0ubuntu0.26.04.1
Alpine3 products
  • postgresql16< 16.15-r0
  • postgresql17< 17.11-r0
  • postgresql18< 18.5-r0
Debian3 products
  • postgresql-15< 15.19-0+deb12u1
  • postgresql-17< 17.11-0+deb13u1
  • postgresql-18< 18.6-1
Postgresql1 product
  • postgresql≥ 14.0, < 14.24 | ≥ 15.0, < 15.19 | ≥ 16.0, < 16.15 | ≥ 17.0, < 17.11 | ≥ 18.0, < 18.5

4 vendors · 14 products

References

8 links