Is CVE-2014-6273 in the CISA KEV catalog?

No. CVE-2014-6273 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-6273?

CVE-2014-6273 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2014-6273?

CVE-2014-6273 has an EPSS score of 2.44% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-6273?

Upgrade apt on debian 11 to 1.0.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2014-6273

MEDIUMEPSS 82th pctl

6.8

CVSS v2

NVD

Description

Buffer overflow in the HTTP transport code in apt-get in APT 1.0.1 and earlier allows man-in-the-middle attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted URL.

CWE-119Buffer Overflow

How to fix

Remediation Available

aptDebian

Fixed in:1.0.3CVE-2014-6273

aptUbuntu

Fixed in:1.0.1ubuntu2.4.1USN-2353-1

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

2.44%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

ubuntu.com

Vendor Advisory1

debian.org

Other references4

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 2026-05-06.