CVE-2022-31630CWE-131CWE-190
OOB read due to insufficient input validation in imageloadfont()
Medium · published November 14, 2022
What it is
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.
The record
Technical detail
- CVSS v3.1
- 6.5 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- CVSS v4.0
- Not supplied
- EPSS
- 0.01317 · 70.6th percentile
- Weaknesses
- CWE-131 · Incorrect Calculation of Buffer Size; CWE-190 · Integer Overflow or Wraparound
- Published
- 2022-11-14T06:53Z
EPSS history
Timeline