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Fencer Vulns
medium 5.3

CVE-2024-53008 json

Inconsistent interpretation of HTTP requests ('HTTP Request/Response Smuggling') issue exists in HAProxy.

published 2024-11-28 23 mo ago modified 2026-06-17 4 mo ago also BIT-haproxy-2024-53008 , EUVD-2024-50505

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Inconsistent interpretation of HTTP requests ('HTTP Request/Response Smuggling') issue exists in HAProxy. If this vulnerability is exploited, a remote attacker may access a path that is restricted by ACL (Access Control List) set on the product. As a result, the attacker may obtain sensitive information.

Patch / fix

  • bitnami haproxy 2.9.10, 3.0.3
  • haproxy haproxy 2.6.19, 2.8.11, 2.9.10, 3.0.3
  • haproxy Debian 14, Debian 13 2.9.10-1

debian advisories DEBIAN-CVE-2024-53008

  • haproxy Ubuntu 24.04 LTS 2.8.5-1ubuntu3.2

ubuntu advisories UBUNTU-CVE-2024-53008

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • haproxy Linux Micro 6.1 2.8.11+git0.01c1056a4-slfo.1.1_1.1
  • haproxy Linux Micro 6.0 2.8.11+git0.01c1056a4-1.1
  • haproxy SLE High Availability Extension 15 SP6, openSUSE Leap 15.6 2.8.11+git0.01c1056a4-150600.3.3.1

suse advisories SUSE-SU-2025:20230-1SUSE-SU-2025:20101-1SUSE-SU-2024:4390-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-53008 updated cvss 5.3

HAProxy: HTTP request smuggling in HAProxy

  • Red Hat OpenShift Container Platform 4 haproxy, haproxy18, haproxy20, haproxy22, haproxy26, haproxy28
    affected: no fix planned “Will not fix”
  • Red Hat Ceph Storage 5 haproxy, haproxy22 Red Hat Enterprise Linux 7 haproxy Red Hat Enterprise Linux 8 haproxy Red Hat Enterprise Linux 9 haproxy
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami haproxy
>=2.6.0, <2.9.10
>=3.0.0, <3.0.3
2.9.10
3.0.3

Affected products

  • HAProxy Project HAProxy 2.6
  • HAProxy Project HAProxy 2.8
  • HAProxy Project HAProxy 2.9
  • HAProxy Project HAProxy 3.0
  • haproxy haproxy

Classification

Weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.