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CVE-2026-67592

Apache Qpid ProtonJ2: Unable to govern the maximum number of transfer frames per incoming delivery

7.5 High

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.74%Up 0.6 points since Aug 5, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Apache Qpid ProtonJ2: Unable to govern the maximum number of transfer frames per incoming delivery

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
CVE-2026-67592
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2026-53096 7.5

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
EUVD-2026-53096
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-4gqp-3m3h-rrx3 7.5

It was not possible to govern the maximum number of transfer frames per incoming delivery,...

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
GHSA-4gqp-3m3h-rrx3
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
NVD 7.5

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
CVE-2026-67592
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
OSV 7.5

Apache Qpid ProtonJ2: Unable to govern the maximum number of transfer frames per incoming delivery

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
CVE-2026-67592
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
OSVDEBIAN-CVE-2026-67592 7.5

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
DEBIAN-CVE-2026-67592
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-67592 7.5

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue

Record
UBUNTU-CVE-2026-67592
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qpid-proton
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.7-20.10-2
 None known
qpid-proton
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.14.0-5.10.14.0-5.1ubuntu1
 None known
qpid-proton
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.22.0-3.20.22.0-3.2build10.22.0-3.30.22.0-3.3build1
 None known
qpid-proton
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.22.0-5.10.22.0-5.1build10.22.0-5.1ubuntu10.22.0-5.1ubuntu2
 None known
qpid-proton
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.37.0-2build10.37.0-2build20.37.0-2build40.37.0-2build5
 None known
qpid-proton
Ubuntu:26.10
 All versions, plus listed versions
0.37.0-7build10.37.0-80.37.0-90.37.0-9build1
 None known
qpid-proton
Ubuntu:26.04:LTS
 All versions, plus listed versions
0.37.0-60.37.0-6build10.37.0-70.37.0-7build1
 None known

History

History
RecordedChangedSources
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-67592 is a high vulnerability (CVSS 7.5) in Apache Qpid Protonj2, published August 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. No source names a fixed version.

References

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