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Vulnerability Details CVE-2021-29482

xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-29482
  • Xz Project » Xz » Version: N/A
    cpe:2.3:a:xz_project:xz:-
  • Xz Project » Xz » Version: 0.1
    cpe:2.3:a:xz_project:xz:0.1
  • Xz Project » Xz » Version: 0.2
    cpe:2.3:a:xz_project:xz:0.2
  • Xz Project » Xz » Version: 0.3
    cpe:2.3:a:xz_project:xz:0.3
  • Xz Project » Xz » Version: 0.3.1
    cpe:2.3:a:xz_project:xz:0.3.1
  • Xz Project » Xz » Version: 0.4
    cpe:2.3:a:xz_project:xz:0.4
  • Xz Project » Xz » Version: 0.4.1
    cpe:2.3:a:xz_project:xz:0.4.1
  • Xz Project » Xz » Version: 0.5
    cpe:2.3:a:xz_project:xz:0.5
  • Xz Project » Xz » Version: 0.5.1
    cpe:2.3:a:xz_project:xz:0.5.1
  • Xz Project » Xz » Version: 0.5.2
    cpe:2.3:a:xz_project:xz:0.5.2
  • Xz Project » Xz » Version: 0.5.3
    cpe:2.3:a:xz_project:xz:0.5.3
  • Xz Project » Xz » Version: 0.5.4
    cpe:2.3:a:xz_project:xz:0.5.4
  • Xz Project » Xz » Version: 0.5.5
    cpe:2.3:a:xz_project:xz:0.5.5
  • Xz Project » Xz » Version: 0.5.6
    cpe:2.3:a:xz_project:xz:0.5.6
  • Xz Project » Xz » Version: 0.5.7
    cpe:2.3:a:xz_project:xz:0.5.7


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