CVE-2015-0231: php
Vulnerability summary
CVE-2015-0231 is a high (CVSS 7.5) vulnerability in php. EPSS estimates a 44.45% chance of exploitation in the next 30 days, higher than 98.7% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 27-01-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
44.45%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
Increase +1.85 pp
From 42.59% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL≤ 5.4.36 | 5.4.0 | 5.4.1 | 5.4.2 | 5.4.3 | 5.4.4 | 5.4.5 | 5.4.6 | 5.4.7 | 5.4.8 | 5.4.9 | 5.4.10 | 5.4.11 | 5.4.12 | 5.4.12:rc1 | 5.4.12:rc2 | 5.4.13 | 5.4.13:rc1 | 5.4.14 | 5.4.14:rc1 | 5.4.15:rc1 | 5.4.16:rc1 | 5.4.17 | 5.4.18 | 5.4.19 | 5.4.20 | 5.4.21 | 5.4.22 | 5.4.23 | 5.4.24 | 5.4.25 | 5.4.26 | 5.4.27 | 5.4.28 | 5.4.29 | 5.4.30 | 5.4.34 | 5.4.35 | 5.5.0 | 5.5.0:alpha1 | 5.5.0:alpha2 | 5.5.0:alpha3 | 5.5.0:alpha4 | 5.5.0:alpha5 | 5.5.0:alpha6 | 5.5.0:beta1 | 5.5.0:beta2 | 5.5.0:beta3 | 5.5.0:beta4 | 5.5.0:rc1 | 5.5.0:rc2 | 5.5.1 | 5.5.2 | 5.5.3 | 5.5.4 | 5.5.5 | 5.5.6 | 5.5.7 | 5.5.8 | 5.5.9 | 5.5.10 | 5.5.11 | 5.5.12 | 5.5.13 | 5.5.14 | 5.5.15 | 5.5.16 | 5.5.17 | 5.5.18 | 5.5.19 | 5.5.20 | 5.6.0:alpha1 | 5.6.0:alpha2 | 5.6.0:alpha3 | 5.6.0:alpha4 | 5.6.0:alpha5 | 5.6.0:beta1 | 5.6.0:beta2 | 5.6.0:beta3 | 5.6.0:beta4 | 5.6.1 | 5.6.2 | 5.6.3 | 5.6.4
Ubuntu1 product
- php5< 5.5.9+dfsg-1ubuntu4.6
2 vendors · 2 products
References
26 links- bugzilla.redhat.com/show_bug.cgi?id=1185397X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.htmlX Refsource CONFIRM
Show all 26 references
- support.apple.com/HT205267X Refsource CONFIRM
- www.php.net/ChangeLog-5.phpX Refsource CONFIRM
- github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bdX Refsource CONFIRMPatchVendor Advisory
- advisories.mageia.org/MGASA-2015-0040.htmlX Refsource CONFIRM