CVE-2021-29482CWE-835

denial of service in github.com/ulikunitz/xz

High · published April 28, 2021

CVSS v3.1
7.5
EPSS
1%
Percentile
72.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01438 · 72.9th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2021-04-28T18:15Z
EPSS history
Timeline
  • 28 APR 18:15Z
    denial of service in github.com/ulikunitz/xz
    cvelistv5