CVE-2026-108949: Red Hat Denial of Service via memory leak from rejected subscriptions
This Red Hat advisory covers CVE-2026-108949. Related products: Red Hat Fuse 7.
Key facts
- Vendor rating
- Medium, CVSS 6.5
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H· base score 6.5, scored by CISA-ADPAttack vector: network. Attack complexity: low. Privileges required: low. User interaction: none. Scope: unchanged. Confidentiality impact: none. Integrity impact: none. Availability impact: high.- Weakness
- CWE-401 Missing release of memory after effective lifetime
- CISA SSVC
- Exploitation: none observed. Automatable: no. Technical impact: partial. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Versions named
- < 6.0.0; < 6.3.3; < 5.19.12
- Fixed in
- 6.4.0, 6.3.3, 5.19.12
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
Denial of Service via memory leak from rejected subscriptions. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-772.
Affected product named by the advisory: Red Hat Fuse 7.
Text from the source record.
- < 6.0.0
- < 6.3.3
- < 5.19.12
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-108949
Upgrade to a fixed release named by Red Hat:
- 6.4.0
- 6.3.3
- 5.19.12
Vendor guidance
- Upgrade to fixed versions (activemq-broker 6.4.0, 6.3.3, or 5.19.12); restrict broker authentication and monitor broker heap.
CVE-2026-108949 in other vendors' advisories
- Apache: CVE-2026-108949, medium severity, fixed in 6.3.3, 5.19.12
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