Is CVE-2015-5073 in the CISA KEV catalog?

No. CVE-2015-5073 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5073?

CVE-2015-5073 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2015-5073?

CVE-2015-5073 has an EPSS score of 7.67% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5073?

Upgrade pcre3 on debian 11 to 2:8.35-7 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-5073

CRITICALEPSS 94th pctl

9.1

CVSS v3

NVD

Description

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

CWE-119Buffer Overflow CWE-200Information Exposure

How to fix

Remediation Available

pcre3Debian

Fixed in:2:8.35-7CVE-2015-5073

libpcre3Ubuntu

Fixed in:1:8.31-2ubuntu2.1USN-2694-1

Fixed in:1:8.31-2ubuntu2.2USN-2943-1

pcre3Ubuntu

Fixed in:1:8.31-2ubuntu2.1USN-2694-1

Fixed in:1:8.31-2ubuntu2.2USN-2943-1

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploit Intelligence

7.67%probability of exploitation in 30 days

94thpercentile

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

References

Exploit2

Vendor Advisory1

vcs.pcre.org

Third-Party Advisory3

Mailing List2

Other references5

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%	-	-

Embed a live status badge for CVE-2015-5073

Markdown

[![CVE-2015-5073](https://tridentstack.com/cve/badge/CVE-2015-5073.svg)](https://tridentstack.com/cve/CVE-2015-5073)

HTML

<a href="https://tridentstack.com/cve/CVE-2015-5073"><img src="https://tridentstack.com/cve/badge/CVE-2015-5073.svg" alt="CVE-2015-5073"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.