DEBIAN-CVE-2022-31630

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2022-31630
Downstream
DSA-5277-1
Published: 14 Nov 2022, 07:15
Last modified:28 Apr 2026, 20:24

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Nov 2022, 07:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:24
Last Modified
Vulnerability information updated

Description

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Affected Systems

  • debian•php7.4

    < 7.4.33-1+deb11u1

References (1)