Security Resilience

CVE-2023-0632

Gitlab 15.2 – 16.0.8

Published
02 August 2023
Modified
21 November 2024
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0092 60th percentile
Risk Priority 52 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). EPSS scores by FIRST (EPSS SIG), generated by Empirical Security. Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-0632 is a medium-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Gitlab. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked in the top 40% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible by using crafted…

more

payloads to search Harbor Registry.

CWE(s)
CWE-1333

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
attack.mitre.org →
T1499.003 Application Exhaustion Flood Impact
Adversaries may target resource intensive features of applications to cause a denial of service (DoS), denying availability to those applications.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-3210Same product: Gitlab Gitlab
CVE-2023-3364Same product: Gitlab Gitlab
CVE-2024-2829Same product: Gitlab Gitlab
CVE-2023-2232Same product: Gitlab Gitlab
CVE-2025-2937Same product: Gitlab Gitlab
CVE-2023-3994Same product: Gitlab Gitlab
CVE-2026-1388Same product: Gitlab Gitlab
CVE-2024-3114Same product: Gitlab Gitlab
CVE-2024-1495Same product: Gitlab Gitlab
CVE-2023-6678Same product: Gitlab Gitlab

Affected Assets

gitlab
gitlab
15.2 — 16.0.8 · 15.2 — 16.0.8 · 16.1 — 16.1.3

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
blocks

Secure SDLC practices directly prevent inefficient regex via reviews, static analysis, and safe libraries.

ID.RA-01 partial match
blocks

Vulnerability identification processes can discover ReDoS issues in existing code but do not stop their introduction.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect and reject regex patterns with exponential worst-case complexity.

A.8.28 Secure coding partial match
prevents

Secure coding standards explicitly prohibit or limit the use of inefficient regular expressions.

References