Riskcovery

CVE-2026-12727

IBM MQ Buffer Overflow

State
Published
Severity
4.3 Medium
Published
Oct 19, 2026
Updated
Oct 19, 2026
Reserved
Jun 19, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Libm

Weaknesses

Affected Products

ProductVersions
MQ OperatorIBM
  • 3.2.0 through 3.2.29Affected
  • 3.3.0 to before 3.4.0Affected
  • 3.4.1Affected
  • 3.5.0Affected
  • 3.5.1 through 3.5.3Affected
  • 3.6.0 through 3.6.4Affected
  • 3.7.0 through 3.7.2Affected
  • 3.8.0Affected
  • 3.8.1Affected
  • 3.9.0Affected
  • 3.9.1Affected
  • 3.9.2Affected
  • 4.0.0Affected
  • 4.0.1Affected
  • 4.0.2Affected
  • 4.0.3Affected
  • 4.0.4Affected
  • 2.0.0 through 2.0.29Affected
MQ Advanced container imagesIBM
  • 9.4.0.6-r1 through r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2Affected
  • 9.4.0.6-r2Affected
  • 9.4.0.7-r1Affected
  • 9.4.0.10-r1Affected
  • 9.4.0.10-r2Affected
  • 9.4.0.11-r1Affected
  • 9.4.0.11-r2Affected
  • 9.4.0.11-r3Affected
  • 9.4.0.12-r1Affected
  • 9.4.0.15-r1 through 9.4.0.15-r4Affected
  • 9.4.0.16-r1Affected
  • 9.4.0.16-r2Affected
  • 9.4.0.17-r1Affected
  • 9.4.0.17-r2Affected
  • 9.4.0.20-r1Affected
  • 9.4.0.21-r1Affected
  • 9.4.0.21-r2Affected
  • 9.4.0.25-r1 through 9.4.0.25-r3Affected
  • 9.4.0.26-r1Affected
  • 9.4.1.0-r1Affected
  • 9.4.1.0-r2Affected
  • 9.4.1.1-r1Affected
  • 9.4.2.0-r1Affected
  • 9.4.2.0-r2Affected
  • 9.4.2.1-r1Affected
  • and 46 more versions

References

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