Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-1283

27
FAUCET Score

CVE-2016-1283 describes a heap-based buffer overflow in the pcre_compile2 function of PCRE 8.38, triggered by specially crafted regular expressions with named subgroups. This critical vulnerability affects products like fedoraproject, oracle, pcre, and php. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.38CPE matchmatch criteria
cpe:2.3:a:pcre:pcre:8.38:*:*:*:*:*:*:*
>= 5.6.0, < 5.6.32CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
>= 7.0.0, < 7.0.25CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
>= 7.1.0, < 7.1.11CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.79%
Probability of exploitation in next 30 days
EPSS Percentile
94.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0779 is in the 89th percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb100-mariadb-1:10.0.25-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: rh-mariadb100-mariadb-1:10.0.25-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mariadb100-mariadb-1:10.0.25-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb100-mariadb-1:10.0.25-4.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-mariadb100-mariadb-1:10.0.25-4.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-mariadb100-mariadb-1:10.0.25-4.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-php56-php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-php70-php

Vendor Advisories (1)

redhatCVE-2016-1283Important

pcre: heap buffer overflow in handling of duplicate named groups (8.39/14)

Jan 4, 2016

References

lists.fedoraproject.org / pipermail/package-announce/2016-March/178193.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2016-March/178955.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2016:1132
Third Party Advisory
bto.bluecoat.com / security-advisory/sa128
Permissions RequiredThird Party Advisory
bugs.exim.org / show_bug.cgi
ExploitIssue TrackingPermissions RequiredThird Party Advisory
security.gentoo.org / glsa/201607-02
Third Party Advisory
tenable.com / security/tns-2016-18
Third Party Advisory
tenable.com / security/tns-2017-14
Third Party Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
securityfocus.com / bid/79825
Third Party AdvisoryVDB Entry
securitytracker.com / id/1034555
Broken LinkThird Party AdvisoryVDB Entry
slackware.com / security/viewer.php
Third Party Advisory