7.5

CVE-2025-10990: jruby

CVSS: 7.5v3.1HighPublished
AliasesRHSA-2025:17693UBUNTU-CVE-2025-10990
Published 27-02-2026Last modified 25-06-2026
Open JSON

Vulnerability summary

CVE-2025-10990 is a high (CVSS 7.5) vulnerability in jruby. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.3% 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
0.50%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2025:17606RHSA-2025:17613

Timeline

  1. 27-02-2026
    PublishedVulnerability first disclosed.
  2. 25-06-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial of Service (ReDoS), impacting the availability of the affected component. This issue is the result of an incomplete fix for CVE-2024-49761.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

+0.03 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.50%

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

Ubuntu7 products
  • jrubyAll versions (No fix recorded)
  • ruby2.3All versions (No fix recorded)
  • ruby2.5All versions (No fix recorded)
  • ruby2.7All versions (No fix recorded)
  • ruby3.0All versions (No fix recorded)
Redhat1 product
  • puppet-agent< 0:7.34.0-4.el8sat | < 0:7.34.0-4.el9sat

2 vendors · 8 products

References

14 links
Show all 14 references