Description
In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs
References (2)
Core 2
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732
Patch, Third Party Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
Scores
CVSS v3
5.3
EPSS
0.0018
EPSS Percentile
38.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
Status
published
Products (1)
gitlab/gitlab_runner
< 14.3.4
Published
Jun 06, 2022
Tracked Since
Feb 18, 2026