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5.5 Medium

CVE-2026-32288 tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large…

Description

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.

Affected products and versions

Product Affected versions Fixed in
archive/tar 1.26 1.26.0-0 → < 1.26.2 1.26.2
archive/tar 1.25 earliest → < 1.25.9 1.25.9

References

Timeline

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The 3 CVEs of archive/tar →
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