File Descriptor Reuse Vulnerability in GitLab Runner Versions 14.3.4 to 14.5.2

CVE-2021-39947 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

Learn more about our Web Application Penetration Testing UK.