How severe is CVE-2014-6269?

CVE-2014-6269 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-6269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6269?

CVE-2014-6269 primarily affects Haproxy. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-6269 published?

CVE-2014-6269 was published on 2014-09-30 and last updated on 2026-06-17.

CVE-2014-6269

CVE-2014-6269 is a medium-severity vulnerability in Haproxy with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Haproxy
Published: 2014-09-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-6269?: 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.
How severe is CVE-2014-6269?: CVE-2014-6269 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-6269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6269?: CVE-2014-6269 primarily affects Haproxy. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-6269 published?: CVE-2014-6269 was published on 2014-09-30 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:haproxy:haproxy:1.5:dev23:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5:dev24:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5:dev25:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5:dev26:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:1.5.3:*:*:*:*:*:*:*

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