CVE-2021-39917

published 2021-12-13

CVE-2021-39917: An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all…

Priority P4 33 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression related to quick actions features was susceptible to catastrophic backtracking that could cause a DOS attack.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	gitlab	< gitlab 15.10.8+ds1-2 (sid)	gitlab 15.10.8+ds1-2 (sid)
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	—	—
gitlab	gitlab	>= 12.9.0 < 14.3.6	14.3.6
gitlab	gitlab	>= 14.4.0 < 14.4.4	14.4.4
gitlab	gitlab	>= 14.5.0 < 14.5.2	14.5.2
gitlab	gitlab_ce	—	—

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 4.0 MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P

osv 6.5 MEDIUM

vendor_debian 4.3 MEDIUM

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CWE-697