Is CVE-2015-2806 in the CISA KEV catalog?

No. CVE-2015-2806 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-2806?

CVE-2015-2806 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2015-2806?

CVE-2015-2806 has an EPSS score of 7.80% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-2806?

Upgrade libtasn1-6 on debian 11 to 4.2-3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-2806

HIGHEPSS 94th pctl

10.0

CVSS v2

NVD

Description

Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.

CWE-119Buffer Overflow

How to fix

Remediation Available

libtasn1-6Debian

Fixed in:4.2-3CVE-2015-2806

libtasn1-6Ubuntu

Fixed in:3.4-3ubuntu0.2USN-2559-1

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

7.80%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Third-Party Advisory11

Other references6

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.