CVE-2014-6269

Exp

Multiple integer overflows in the http_request_forward_body function in proto_http.c in HAProxy 1.5-dev23 before 1.5.4 allow remote attackers to cause a denial of service (crash) via a large stream of data, which triggers a buffer overflow and an out-of-bounds read.

Published: 2014-09-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-6269 is rated High Exploit Risk (69.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.81%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.69% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2014-6269

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-6269

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.12% 3.81% +3.69%
2 2025-03-30 0.16% 0.12% -0.04%
3 2025-03-29 — 0.16% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-6269

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-6269

OS Trackers for CVE-2014-6269

vendor priority summary link
debian not yet assigned CVE-2014-6269 not yet assigned priority: Debian including 1 source packages (haproxy), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-6269
redhat medium — https://access.redhat.com/security/cve/CVE-2014-6269
ubuntu medium CVE-2014-6269 medium priority: Ubuntu including 1 source packages (haproxy), 4 status rows across 4 suites (lucid, precise, trusty, upstream): not-affected 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2014-6269

Affected software / configurations for CVE-2014-6269

Vendor Product Version Raw CPE
haproxy haproxy 1.5 cpe:2.3:a:haproxy:haproxy:1.5:dev23:*:*:*:*:*:*
haproxy haproxy 1.5 cpe:2.3:a:haproxy:haproxy:1.5:dev24:*:*:*:*:*:*
haproxy haproxy 1.5 cpe:2.3:a:haproxy:haproxy:1.5:dev25:*:*:*:*:*:*
haproxy haproxy 1.5 cpe:2.3:a:haproxy:haproxy:1.5:dev26:*:*:*:*:*:*
haproxy haproxy 1.5.0 cpe:2.3:a:haproxy:haproxy:1.5.0:*:*:*:*:*:*:*
haproxy haproxy 1.5.1 cpe:2.3:a:haproxy:haproxy:1.5.1:*:*:*:*:*:*:*
haproxy haproxy 1.5.2 cpe:2.3:a:haproxy:haproxy:1.5.2:*:*:*:*:*:*:*
haproxy haproxy 1.5.3 cpe:2.3:a:haproxy:haproxy:1.5.3:*:*:*:*:*:*:*

References for CVE-2014-6269

cvelogic Threat Intelligence