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Fencer Intel
high 7.5

CVE-2015-8393 json

pcregrep in PCRE before 8.38 mishandles the -q option for binary files, which might allow remote attackers to obtain sensitive information…

published 10y ago modified 4mo ago also EUVD-2015-8275

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • php php 5.5.32, 5.6.18, 7.0.3
  • pcre3 Debian 12 2:8.38-1

debian advisories DEBIAN-CVE-2015-8393

  • pcre3 Ubuntu 14.04 LTS 1:8.31-2ubuntu2.2

ubuntu advisories UBUNTU-CVE-2015-8393

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pcre SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +12 more 8.39-7.1
  • pcre SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +10 more 8.39-5.1

suse advisories SUSE-SU-2016:3161-1SUSE-SU-2016:2971-1

Is CVE-2015-8393 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-8393 updated cvss 4.3

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

  • Red Hat Enterprise Linux 7 pcre, pcre-tools
    affected: no fix planned “Will not fix”
  • Red Hat Directory Server 8 pcre Red Hat Enterprise Linux 5 pcre Red Hat Enterprise Linux 6 pcre, glib2 Red Hat Enterprise Linux 7 glib2, glib2-fam, glib2-tests, virtuoso-opensource, virtuoso-opensource-utils Red Hat JBoss Enterprise Web Server 1 httpd Red Hat JBoss Enterprise Web Server 2 jbcs-httpd24, jbcs-httpd24-runtime
    +2 more products
    Red Hat JBoss Enterprise Web Server 3 pcre Red Hat Software Collections php54-php, php55-php, php54-php-gd, php55-php-gd, rh-php56-php, php54-php-cli, +89 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.37% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.