When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.28, 7.2.x below 7.2.17 and 7.3.x below 7.3.4 can be caused to read past allocated buffer in exif_iif_add_value function. This may lead to information disclosure or crash.
| Software | From | Fixed in |
|---|---|---|
| php / php | 7.3.0 | 7.3.4 |
| php / php | 7.2.9 | 7.2.17 |
| php / php | 7.1.0 | 7.1.28 |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 18.10 | 18.10.x |
| canonical / ubuntu_linux | 19.04 | 19.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| redhat / software_collections | 1.0 | 1.0.x |
| opensuse / leap | 42.3 | 42.3.x |
| opensuse / leap | 15.0 | 15.0.x |
| opensuse / leap | 15.1 | 15.1.x |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |