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CVE-2015-8393

21
FAUCET Score

CVE-2015-8393 describes a sensitive information disclosure vulnerability in pcregrep within PCRE versions prior to 8.38. Specifically, the -q option for binary files is mishandled, potentially allowing remote attackers to extract sensitive data through crafted files, such as those processed by CGI scripts. This vulnerability carries a CVSS v3.1 score of 7.5 (High), indicating a network-based attack with low complexity and high confidentiality impact. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.37CPE matchmatch criteria
cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
>= 5.5.0, < 5.5.32CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
>= 5.6.0, < 5.6.18CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
>= 7.0.0, < 7.0.3CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.37%
Probability of exploitation in next 30 days
EPSS Percentile
90.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0437 is in the 83rd percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pcre

Vendor Advisories (1)

redhatCVE-2015-8393

pcre: pcregrep -q is not always quiet (8.38/28)

Nov 23, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2016-January/174931.html
Third Party Advisory
bto.bluecoat.com / security-advisory/sa128
Third Party Advisory
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party Advisory
security.gentoo.org / glsa/201607-02
Third Party Advisory
security.netapp.com / advisory/ntap-20230216-0002
vcs.pcre.org / pcre/code/trunk/ChangeLog
Release Notes
openwall.com / lists/oss-security/2015/11/29/1
Mailing ListThird Party Advisory
securityfocus.com / bid/82990
Third Party AdvisoryVDB Entry