7.5

CVE-2014-8142: php

Modified
AliasesMGASA-2014-0542UBUNTU-CVE-2014-8142
Published 20-12-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-8142 is a high (CVSS 7.5) vulnerability in php. EPSS estimates a 55.06% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
55.06%
0%100%
Critical · +1.90 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 3

Timeline

  1. 20-12-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

55.06%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

Increase +1.90 pp

From 53.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Mageia2 products
  • php< 5.5.20-1.mga4
  • php-apc< 3.1.15-4.10.mga4
Php1 product
  • phpEOL≤ 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 | 5.6.0 | 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
Ubuntu1 product
  • php5< 5.5.9+dfsg-1ubuntu4.6

3 vendors · 4 products

References

23 links
Show all 23 references