7.5

CVE-2025-67635: jenkins Improper Resource Shutdown or Release

CVSS: 7.5v3.1HighAnalyzed
AliasesCGA-3qc3-8h38-mg53CGA-52x2-4cwj-j63vCGA-6q6v-wxf6-2fx3
Published 10-12-2025Last modified 16-12-2025
Open JSON

Vulnerability summary

CVE-2025-67635 is a high (CVSS 7.5) Improper Resource Shutdown or Release vulnerability in jenkins. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-PR3Q-9CP6-4J7X

Timeline

  1. 10-12-2025
    PublishedVulnerability first disclosed.
  2. 16-12-2025
    Last modifiedVulnerability information updated.

Description

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard5 products
  • jenkins-2.504-openjdk-17All versions (No fix recorded)
  • jenkins-2.504-openjdk-21All versions (No fix recorded)
  • jenkins-2.516-openjdk-17< 2.516.3-r4
  • jenkins-2.516-openjdk-21< 2.516.3-r4
  • jenkins-2.528< 2.528.3-r2
Org.jenkins-ci.main2 products
  • cli≥ 2.529, < 2.541 | < 2.528.3
  • jenkins-core≥ 2.529, < 2.541 | < 2.528.3
Jenkins1 product

3 vendors · 8 products

References

5 links