Is CVE-2013-1912 in the CISA KEV catalog?

No. CVE-2013-1912 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-1912?

CVE-2013-1912 has a CVSS v2 base score of 5.1 (MEDIUM).

What is the EPSS score for CVE-2013-1912?

CVE-2013-1912 has an EPSS score of 5.46% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-1912?

Upgrade haproxy on debian 11 to 1.4.23-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-1912

MEDIUMEPSS 92th pctl

5.1

CVSS v2

NVD

Description

Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.

CWE-119Buffer Overflow

How to fix

Remediation Available

haproxyDebian

Fixed in:1.4.23-1CVE-2013-1912

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.46%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory2

Other references8

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.