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TI-2024-30541 Aliases CVE-2024-45506GHSA-gmvf-rv8w-2hrh

HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a…

Priority MEDIUM 41CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-835.

Summary

HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01203 68th 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
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*2.9.0 to before 2.9.10; 3.0.0 to before 3.0.4VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev0:*:*:*:*:*:*3.1 dev0VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev1:*:*:*:*:*:*3.1 dev1VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev2:*:*:*:*:*:*3.1 dev2VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev3:*:*:*:*:*:*3.1 dev3VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev4:*:*:*:*:*:*3.1 dev4VulnerableHAProxy
cpe:2.3:a:haproxy:haproxy:3.1:dev5:*:*:*:*:*:*3.1 dev5VulnerableHAProxy
  • cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* Versions 2.9.0 to before 2.9.10; 3.0.0 to before 3.0.4 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev0:*:*:*:*:*:* Versions 3.1 dev0 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev1:*:*:*:*:*:* Versions 3.1 dev1 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev2:*:*:*:*:*:* Versions 3.1 dev2 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev3:*:*:*:*:*:* Versions 3.1 dev3 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev4:*:*:*:*:*:* Versions 3.1 dev4 Vulnerable ·HAProxy
  • cpe:2.3:a:haproxy:haproxy:3.1:dev5:*:*:*:*:*:* Versions 3.1 dev5 Vulnerable ·HAProxy

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 7 products
  • Red Hat Ceph Storage 5
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat OpenShift Container Platform 3.11
  • Red Hat OpenShift Container Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-45506
  2. 2026-10-03 Alias added: GHSA-gmvf-rv8w-2hrh

References

Other 6

  • TI-2020-08973 In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before… CVSS 3.1HIGH 8.8
  • TI-2023-21094 HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23… CVSS 3.1HIGH 7.2
  • TI-2019-10602 HAProxy through 2.0.2 allows attackers to cause a denial of service (ha_panic) via… CVSS 3.0HIGH 7.5
  • TI-2021-17418 An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be… CVSS 3.1HIGH 7.5
  • TI-2016-04651 HAproxy 1.6.x before 1.6.6, when a deny comes from a reqdeny rule, allows remote… CVSS 3.0HIGH 7.5
  • TI-2026-25946 An issue was discovered in HAProxy before 3.3.6. CVSS 3.1MEDIUM 5.8
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences