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CVE-2015-7803

21
FAUCET Score

CVE-2015-7803 is a denial-of-service vulnerability affecting PHP versions before 5.5.30 and 5.6.14, specifically within the phar_get_entry_data function. An attacker can trigger a NULL pointer dereference and application crash by providing a specially crafted .phar file containing a TAR archive entry with a non-existent linked file. This vulnerability has a CVSS score of 6.8, indicating a medium severity with network access, medium attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While it has a high FAUCET Risk Score of 90/100, 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
<= 5.5.29CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
5.6.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
5.6.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
5.6.3CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
5.6.4CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.29%
Probability of exploitation in next 30 days
EPSS Percentile
95.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1029 is in the 95th percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (13)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-php56-php-0:5.6.5-8.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-php56-php-0:5.6.5-8.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: rh-php56-php-0:5.6.5-8.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-php56-php-0:5.6.5-8.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-php56-php-0:5.6.5-8.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-php56-php-0:5.6.5-8.el7
View patch
applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php53
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: php54-php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: php55-php

Vendor Advisories (1)

redhatCVE-2015-7803Moderate

php: NULL pointer dereference in phar_get_fp_offset()

Oct 1, 2015

References

git.php.net
lists.apple.com / archives/security-announce/2015/Dec/msg00005.html
lists.opensuse.org / opensuse-security-announce/2016-04/msg00052.html
lists.opensuse.org / opensuse-updates/2016-01/msg00099.html
lists.opensuse.org / opensuse-updates/2016-02/msg00037.html
bugs.php.net / bug.php
Vendor Advisory
security.gentoo.org / glsa/201606-10
support.apple.com / HT205637
Vendor Advisory
debian.org / security/2015/dsa-3380
openwall.com / lists/oss-security/2015/10/05/8
php.net / ChangeLog-5.php
securityfocus.com / bid/76959
slackware.com / security/viewer.php
ubuntu.com / usn/USN-2786-1