CVE-2026-18077CWE-787

CVE-2026-18077

High · published August 14, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
45.0
In the wild
Unconfirmed
What it is

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a stack-based buffer overflow.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00546 · 45.0th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-08-14T01:17Z
Affected products (4)
ProductVersionsFixed in
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
References (1)
https://www.ibm.com/support/pages/node/7283291 · [email protected]
EPSS history
Timeline
  • 13 AUG 20:41Z
    IBM i is Affected By Multiple Vulnerabilities in Simple Mail Transfer Protocol
    cvelistv5