Is CVE-2009-0590 in the CISA KEV catalog?

No. CVE-2009-0590 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-0590?

CVE-2009-0590 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-0590?

CVE-2009-0590 has an EPSS score of 6.19% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-0590?

Upgrade openssl on debian 11 to 0.9.8g-16 or later.

CVE & CISA-KEV Catalog

CVE-2009-0590

MEDIUMEPSS 93th pctl

5.0

CVSS v2

NVD

Description

The ASN1_STRING_print_ex function in OpenSSL before 0.9.8k allows remote attackers to cause a denial of service (invalid memory access and application crash) via vectors that trigger printing of a (1) BMPString or (2) UniversalString with an invalid encoded length.

CWE-119Buffer Overflow

How to fix

Remediation Available

opensslDebian

Fixed in:0.9.8g-16CVE-2009-0590

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

6.19%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

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 2026-04-23.