Is CVE-2015-8393 in the CISA KEV catalog?

No. CVE-2015-8393 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8393?

CVE-2015-8393 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2015-8393?

CVE-2015-8393 has an EPSS score of 4.37% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8393?

Upgrade pcre3 on debian 11 to 2:8.38-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-8393

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

pcregrep in PCRE before 8.38 mishandles the -q option for binary files, which might allow remote attackers to obtain sensitive information via a crafted file, as demonstrated by a CGI script that sends stdout data to a client.

CWE-200Information Exposure

How to fix

Remediation Available

pcre3Debian

Fixed in:2:8.38-1CVE-2015-8393

libpcre3Ubuntu

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

pcre3Ubuntu

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

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

4.37%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Third-Party Advisory6

Release Notes1

vcs.pcre.org

Other references1

security.netapp.com

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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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.