tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.
| Vendor | Product | Versions |
|---|---|---|
| go standard library | archive/tar | 0, 1.26.0-0, 1.25.8, 1.26.1 |
Updated affected versions to include 1.25.8 and 1.26.1, changed severity to HIGH, and noted that the vulnerability is actively exploited.
Initial creation
