CVE-2015-0287

MEDIUMEPSS 95th pctl

5.0

CVSS v2

Description

The ASN1_item_ex_d2i function in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not reinitialize CHOICE and ADB data structures, which might allow attackers to cause a denial of service (invalid write operation and memory corruption) by leveraging an application that relies on ASN.1 structure reuse.

CWE-17

How to fix

Remediation Available

opensslDebian

Fixed in:1.0.1k-2CVE-2015-0287

libssl1.0.0Ubuntu

Fixed in:1.0.1f-1ubuntu2.11USN-2537-1

opensslUbuntu

Fixed in:1.0.1f-1ubuntu2.11USN-2537-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

8.37%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Related Vulnerabilities

Other CWE-17 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-0240	High	10.0	88%	-	Fix
CVE-2015-3183	Medium	5.0	73%	-	Fix
CVE-2014-9222	High	10.0	64%	-	-
CVE-2015-4620	High	7.8	38%	-	Fix
CVE-2014-9707	High	7.5	28%	-	-
CVE-2015-2526	Medium	5.0	24%	-	-

Common questions

How do I fix CVE-2015-0287?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2015-0287 being actively exploited?

Not that we know of. CVE-2015-0287 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 8.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 95% of all scored CVEs.

How severe is CVE-2015-0287?

CVE-2015-0287 has a CVSS v2 base score of 5.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-0287 affect?

Published advisories record a fix for openssl (Debian), libssl1.0.0 (Ubuntu), openssl (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.