CVE-2026-6668
CVE-2026-6668: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-6668] Denial of Service via integer overflow in packet buffer growth
CVE-2026-6668Source published Source updated
Denial of Service via integer overflow in packet buffer growth. Red Hat rates this important (CVSS 7.5). Weakness: CWE-190. Red Hat lists fixing advisory RHSA-2026:70698 with package pgbouncer-main-1.26.0-0.1.hum1. Affected product named by the advisory: Red Hat Hardened Images.
- Related products — impact not confirmed
- Red Hat Hardened Images
- Source-reported affected versions
- 1.25.2
- Source-reported fixed versions
- pgbouncer-main-1.26.0-0.1.hum1
- RHSA-2026:70698
- Mitigation guidance
- To mitigate this issue, restrict network access to the PgBouncer service to only trusted clients or the local host. This can be achieved by configuring firewall rules to limit incoming connections to the PgBouncer port. Ensure that any changes to network configurations are applied and services are reloaded or restarted as necessary, which may temporarily disrupt existing connections.
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