CVE-2025-27219

ADVISORY - github

Summary

There is a possibility for DoS by in the cgi gem. This vulnerability has been assigned the CVE identifier CVE-2025-27219. We recommend upgrading the cgi gem.

Details

CGI::Cookie.parse took super-linear time to parse a cookie string in some cases. Feeding a maliciously crafted cookie string into the method could lead to a Denial of Service.

Please update CGI gem to version 0.3.5.1, 0.3.7, 0.4.2 or later.

Affected versions

cgi gem versions <= 0.3.5, 0.3.6, 0.4.0 and 0.4.1.

Credits

Thanks to lio346 for discovering this issue. Also thanks to mame for fixing this vulnerability.

EPSS Score⁠: 0.00712 (0.715)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-770⁠

Allocation of Resources Without Limits or Throttling

ADVISORY - github

CWE-400⁠

Uncontrolled Resource Consumption

CWE-770⁠

Allocation of Resources Without Limits or Throttling

ADVISORY - gitlab

CWE-1035⁠

OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities

CWE-400⁠

Uncontrolled Resource Consumption

CWE-770⁠

Allocation of Resources Without Limits or Throttling

CWE-937⁠

OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities

ADVISORY - redhat

CWE-770⁠

Allocation of Resources Without Limits or Throttling

Impacted images

Advisories

NIST

CREATED

8 months ago

UPDATED

6 days ago

ADVISORY IDCVE-2025-27219⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-770⁠

CVSS SCORE

5.8medium

GitHub

CREATED

8 months ago

UPDATED

6 days ago

ADVISORY IDGHSA-gh9q-2xrm-x6qv⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-400⁠CWE-770⁠

CVSS SCORE

6.3medium

Alpine

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY IDCVE-2025-27219⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

8 months ago

UPDATED

1 month ago

ADVISORY IDCVE-2025-27219⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

8 months ago

UPDATED

4 months ago

ADVISORY IDCVE-2025-27219⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5medium

GitLab

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

CVE-2025-27219

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-1035⁠CWE-400⁠CWE-770⁠CWE-937⁠

CVSS SCORE

5.8medium

Alma

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY IDALSA-2025:10217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Alma

CREATED

6 months ago

UPDATED

6 months ago

ADVISORY IDALSA-2025:4488⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY IDALAS2023-2025-929⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Red Hat

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY IDCVE-2025-27219⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-770⁠

CVSS SCORE

5.8medium

Rocky

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDRLSA-2025:10217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDRLSA-2025:4063⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDRLSA-2025:4487⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDRLSA-2025:4488⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDRLSA-2025:4493⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Rocky

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDRLSA-2025:8131⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Alow

Oracle

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY IDELSA-2025-10217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY IDELSA-2025-4063⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

6 months ago

UPDATED

6 months ago

ADVISORY IDELSA-2025-4487⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

6 months ago

UPDATED

6 months ago

ADVISORY IDELSA-2025-4488⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

6 months ago

UPDATED

6 months ago

ADVISORY IDELSA-2025-4493⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Oracle

CREATED

5 months ago

UPDATED

5 months ago

ADVISORY IDELSA-2025-8131⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

CGA-375j-4vg6-8f37

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Chainguard

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

CGA-53pc-p8wf-wrq3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Chainguard

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY ID

CGA-8jwh-f9mm-2jwp

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Chainguard

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

CGA-hcpq-57j9-pjwg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Chainguard

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

CGA-jq24-rxcc-x8p8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Photon

CREATED

8 months ago

UPDATED

2 months ago

ADVISORY ID

CVE-2025-27219

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5high

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-39rw-4457-p7w3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-5gxg-72f4-6jwp

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY ID

MINI-74xg-j2pp-528j

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY ID

MINI-8rf2-q5jm-5h55

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

MINI-95rv-j253-f8mg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-c3jm-49p9-5m72

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-f8r8-846q-v9p9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY ID

MINI-gcvh-xjcv-w237

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-jpfc-wfmm-5w9j

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 months ago

UPDATED

8 months ago

ADVISORY ID

MINI-p94m-62w2-jpfp

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-pwmx-3r6c-9m64

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY ID

MINI-wc4p-57pq-43p9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

7 months ago

UPDATED

7 months ago

ADVISORY ID

MINI-xff6-mfj2-mh8h

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY