DEBIAN-CVE-2023-0568

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2023-0568
Published: 16 Feb 2023, 07:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
8.1 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Feb 2023, 07:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•php7.4

    < 7.4.33-1+deb11u3

  • debian•php8.2

    < 8.2.4-1

References (1)