CVE-2026-12727CWE-193

CVE-2026-12727

Medium · published October 19, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
11.3
In the wild
Unconfirmed
What it is

IBM MQ could allow an authenticated attacker to cause potential process instability due to an off-by-one buffer overflow when processing specially crafted object names.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00215 · 11.3th percentile
Weakness
CWE-193 · Off-by-one Error
Published
2026-10-19T21:17Z
Affected products (109)
ProductVersionsFixed in
ibm/mq_operator≥ 3.2.0, ≤ 3.2.29—
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References (1)
https://www.ibm.com/support/pages/node/7292667 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 19 OCT 16:39Z
    IBM MQ Buffer Overflow
    cvelistv5
  • 19 OCT 16:39Z
    IBM MQ Buffer Overflow
    cvelistv5