QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows…
Priority LOW 25CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.
Summary
QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with a spoofed IP address. This can bypass the IP allow/block list functionality.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00519 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Ceph Storage 5
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2024-49214
- 2026-10-03 Alias added: GHSA-8jgf-8r3g-hxh8
References
Other 7
- https://www.haproxy.org/download/3.1/src/CHANGELOG
- https://github.com/haproxy/haproxy/commit/f627b9272bd8ffca6f2f898bfafc6bf0b84b7d46
- https://www.mail-archive.com/haproxy%40formilux.org/msg45291.html
- https://www.mail-archive.com/haproxy%40formilux.org/msg45314.html
- https://www.mail-archive.com/haproxy%40formilux.org/msg45315.html
- https://www.haproxy.org/download/3.0/src/CHANGELOG
- https://www.haproxy.org/download/2.9/src/CHANGELOG
Sources
- CVE-2024-49214 · CVE Program
- CVE-2024-49214 · NVD
- FIRST EPSS
- GHSA-8jgf-8r3g-hxh8 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-49214 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences