| Package | Affected versions | Patched versions |
|---|---|---|
| php | ≥ 7.0.0, < 7.1.27≥ 7.3.0, < 7.3.3 | 7.1.277.3.3 |
An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.
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