CVE-2015-2301

Exp

Use-after-free vulnerability in the phar_rename_archive function in phar_object.c in PHP before 5.5.22 and 5.6.x before 5.6.6 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger an attempted renaming of a Phar archive to the name of an existing file.

Published: 2015-03-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-2301 is rated High Exploit Risk (78.6/100): CVSS High severity, with high exploitation likelihood (EPSS 14.67%, 96th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-2301

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-2301

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-11 14.77% 14.67% -0.10%
2 2026-06-27 14.39% 14.77% +0.38%
3 2026-06-15 14.39%

Full EPSS history (58 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2301

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-2301

OS Trackers for CVE-2015-2301

vendor priority summary link
gentoo normal CVE-2015-2301: 1 GLSA(s) (201606-10), 1 atom(s) (dev-lang/php); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-2301
redhat low https://access.redhat.com/security/cve/CVE-2015-2301
ubuntu medium CVE-2015-2301 medium priority: Ubuntu including 1 source packages (php5), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 5. https://ubuntu.com/security/CVE-2015-2301

Affected software / configurations for CVE-2015-2301

Vendor Product Version Raw CPE
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.10 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
php php >= 5.4.0, < 5.4.40 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 5.5.0, < 5.5.22 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 5.6.0, < 5.6.6 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
apple mac_os_x <= 10.10.4 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_hpc_node 7.0 cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_hpc_node_eus 7.1 cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.1:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 7.1 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

References for CVE-2015-2301

URL Tags
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=b2cf3f064b8f5efef89bb084521b61318c71781b
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=143403519711434&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=143748090628601&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=144050155601375&w=2 Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2015/03/15/6 Exploit Mailing List
http://php.net/ChangeLog-5.php Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1053.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1066.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1135.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1218.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3198 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:079 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securityfocus.com/bid/73037 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1031949 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2535-1 Third Party Advisory
https://bugs.php.net/bug.php?id=68901 Exploit Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1194747 Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201606-10 Third Party Advisory
https://support.apple.com/HT205267 Third Party Advisory
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