CVE-2023-6159

mediumpriority · track · 26EPSS 0.010 · 62 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.99% (62nd) EPSS

CVSS 6.5 · medium

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · cve@gitlab.comexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimaryCWE-1333US

affected products (28)

Products and version ranges known to be affected.

Open Source GitLab <16.5.8 Communityall versionscert_bundDE
Open Source GitLab <16.5.8 Enterpriseall versionscert_bundDE
Open Source GitLab <16.6.6 Communityall versionscert_bundDE
Open Source GitLab <16.6.6 Enterpriseall versionscert_bundDE
Open Source GitLab <16.7.4 Communityall versionscert_bundDE
Open Source GitLab <16.7.4 Enterpriseall versionscert_bundDE
Open Source GitLab <16.8.1 Communityall versionscert_bundDE
Open Source GitLab <16.8.1 Enterpriseall versionscert_bundDE
Open Source GitLab< 16.5.8 Communitycert_bundDE
Open Source GitLab< 16.5.8 Enterprisecert_bundDE
Open Source GitLab< 16.6.6 Communitycert_bundDE
Open Source GitLab< 16.6.6 Enterprisecert_bundDE
Open Source GitLab< 16.7.4 Communitycert_bundDE
Open Source GitLab< 16.7.4 Enterprisecert_bundDE
Open Source GitLab< 16.8.1 Communitycert_bundDE
Open Source GitLab< 16.8.1 Enterprisecert_bundDE
GitLab GitLab12.7 → 16.6.6enisa_euvdEU
GitLab GitLab16.7 → 16.7.4enisa_euvdEU
GitLab GitLab16.8 → 16.8.1enisa_euvdEU
GitLab Inc. Gitlab≤ 16.6.6fstec_bduRU

showing 20 of 28

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0216GitLab: Mehrere SchwachstellenDeutsch2024-01-25csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um beliebigen Programmcode auszuführen, unbekannte Auswirkungen zu verursachen, Dateien zu manipulieren, einen Denial of Service Zustand herbeizuführen oder Sicherheitsvorkehrungen zu umgehen.
BIT-gitlab-2023-6159Inefficient Regular Expression Complexity in GitLab2024-03-06vendor · osvUS
An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2024-01-26modified 2026-06-17

related (599)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2023-3364US	high7.5	44.5% (99th)	—	2023-08-02
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2…
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regex is an implementation of regular expressions for the Rust language. The regex crate features built-in mitigations to prevent denial of service attacks caused by untrusted rege…
CVE-2024-8124US	high7.5	40.2% (99th)	—	2024-09-12
An issue was discovered in GitLab CE/EE affecting all versions starting from 16.4 prior to 17.1.7, starting from 17.2 prior to 17.2.5, starting from 17.3 prior to 17.3.2 which cou…
CVE-2021-3749US	high7.5	8.52% (95th)	Exploit	2021-08-31
axios is vulnerable to Inefficient Regular Expression Complexity
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Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible deni…

+594 more

references (11)

External citations — patches, advisories, analysis.

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