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CVE-2015-4598

18
FAUCET Score

CVE-2015-4598 describes a vulnerability in PHP versions before 5.4.42, 5.5.26, and 5.6.10, where the software fails to properly handle null byte (%00) sequences in pathnames. This flaw allows remote attackers to read or write to arbitrary files by crafting malicious input to applications utilizing DOMDocument save methods or the GD imagepsloadfont function. Rated Medium severity (CVSS 6.5), the vulnerability has a low attack complexity and can lead to partial confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.1:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.92%
Probability of exploitation in next 30 days
EPSS Percentile
89.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0392 is in the 86th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 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 (19)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php-0:5.3.3-46.el6_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: php-0:5.4.16-36.ael7b_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: php55-php-0:5.5.21-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-php56-php-0:5.6.5-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: php54-php-0:5.4.40-3.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSFixed in: php55-php-0:5.5.21-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSFixed in: rh-php56-php-0:5.6.5-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSFixed in: php54-php-0:5.4.40-3.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: php55-php-0:5.5.21-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: rh-php56-php-0:5.6.5-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: php54-php-0:5.4.40-3.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: php55-php-0:5.5.21-4.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-php56-php-0:5.6.5-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: php54-php-0:5.4.40-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: php55-php-0:5.5.21-4.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-php56-php-0:5.6.5-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: php54-php-0:5.4.40-3.el7
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

Vendor Advisories (1)

redhatCVE-2015-4598Moderate

php: missing null byte checks for paths in DOM and GD extensions

May 28, 2015

References

php.net / ChangeLog-5.php
rhn.redhat.com / errata/RHSA-2015-1135.html
rhn.redhat.com / errata/RHSA-2015-1186.html
rhn.redhat.com / errata/RHSA-2015-1187.html
rhn.redhat.com / errata/RHSA-2015-1218.html
rhn.redhat.com / errata/RHSA-2015-1219.html
bugs.php.net / bug.php
debian.org / security/2015/dsa-3344
openwall.com / lists/oss-security/2015/06/16/12
oracle.com / technetwork/topics/security/linuxbulletinjan2016-2867209.html
securityfocus.com / bid/75244
securitytracker.com / id/1032709