CVE-2023-2199: An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.0 before 15.10.8, all versions starting from 15.11 before 15.11.7, all…

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.32%

67.5th percentile

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.0 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

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	>= 12.0.0 < 15.10.8	15.10.8
gitlab	gitlab	>= 15.11.0 < 15.11.7	15.11.7
gitlab	gitlab	>= 16.0.0 < 16.0.2	16.0.2
gitlab	gitlab_ce	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian7.5HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.