CVEvulnerability

CVE-2017-12933

9.8 CRITICAL Published 2017-08-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-08-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-125

Description

The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Affected configurations

• php php (<= 5.6.30) • php php 7.0.0 • php php 7.0.1 • php php 7.0.2 • php php 7.0.3 • php php 7.0.4 • php php 7.0.5 • php php 7.0.6 • php php 7.0.7 • php php 7.0.8 • php php 7.0.9 • php php 7.0.10 • php php 7.0.11 • php php 7.0.12 • php php 7.0.13 • php php 7.0.14 • php php 7.0.15 • php php 7.0.16 • php php 7.0.17 • php php 7.0.18 • php php 7.0.19 • php php 7.0.20 • php php 7.1.0 • php php 7.1.1 • php php 7.1.2 • php php 7.1.3 • php php 7.1.4 • php php 7.1.5 • php php 7.1.6

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References