CVE-2025-10990

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-02-27. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

February 27, 2026

Last Modified

June 26, 2026

Advisory Details (5)

Auto-updated Jun 10, 2026
Patch available. Sources: redhat.
redhat Patch Available

2398216 – (CVE-2025-10990) CVE-2025-10990 rexml: REXML: Denial of Service via inefficient regex parsing

https://bugzilla.redhat.com/show_bug.cgi?id=2398216
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-10990
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:17693
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:17613
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:17606

Vendor Advisories for CVE-2025-10990(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpuppet-agent-0:7.34.0-4.el9sat2025-10-09redhat
redhatpuppet-agent-0:8.8.1-3.el9sat2025-10-08redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
RubyGems(1)
PackageVulnerable rangeFixed inDependents
rexml3.1.7.3 ... 3.3.8 (23 versions)3.3.9—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 225 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 19:26 UTCEPSS rescore
  3. 2026-09-16 14:06 UTCEPSS rescore
  4. 2026-09-16 14:06 UTCEPSS rescore
  5. 2026-09-16 05:13 UTCEPSS rescore
  6. 2026-09-15 03:08 UTCEPSS rescore
  7. 2026-09-13 16:45 UTCEPSS rescore
  8. 2026-09-12 14:59 UTCEPSS rescore
  9. 2026-09-11 14:51 UTCEPSS rescore
  10. 2026-09-11 09:35 UTCEPSS rescore
  11. 2026-09-10 09:33 UTCEPSS rescore
  12. 2026-09-07 16:00 UTCEPSS rescore
  13. 2026-09-06 13:46 UTCEPSS rescore
  14. 2026-09-04 13:59 UTCEPSS rescore
  15. 2026-09-04 05:05 UTCEPSS rescore
  16. 2026-09-02 14:10 UTCEPSS rescore
  17. 2026-09-01 13:52 UTCEPSS rescore
  18. 2026-08-31 17:04 UTCOSV refresh
  19. 2026-08-30 19:16 UTCEPSS rescore
  20. 2026-08-30 19:16 UTCEPSS rescore
  21. 2026-08-30 01:21 UTCEPSS rescore
  22. 2026-08-28 21:39 UTCEPSS rescore
  23. 2026-08-27 14:24 UTCEPSS rescore
  24. 2026-08-26 14:44 UTCEPSS rescore
  25. 2026-08-25 13:47 UTCEPSS rescore
Show 75 more
  1. 2026-08-24 14:15 UTCEPSS rescore
  2. 2026-08-23 00:18 UTCEPSS rescore
  3. 2026-08-21 23:47 UTCEPSS rescore
  4. 2026-08-20 22:54 UTCEPSS rescore
  5. 2026-08-19 17:02 UTCEPSS rescore
  6. 2026-08-18 13:47 UTCEPSS rescore
  7. 2026-08-17 13:46 UTCEPSS rescore
  8. 2026-08-16 14:55 UTCEPSS rescore
  9. 2026-08-16 02:13 UTCEPSS rescore
  10. 2026-08-15 01:29 UTCEPSS rescore
  11. 2026-08-14 21:35 UTCVendor advisory
  12. 2026-08-14 21:35 UTCGHSA enrichment
  13. 2026-08-14 08:50 UTCEG score recompute
  14. 2026-08-14 08:50 UTCVendor advisory
  15. 2026-08-14 08:50 UTCGHSA enrichment
  16. 2026-08-13 21:59 UTCEPSS rescore
  17. 2026-08-13 00:47 UTCEG score recompute
  18. 2026-08-13 00:47 UTCVendor advisory
  19. 2026-08-13 00:47 UTCGHSA enrichment
  20. 2026-08-12 13:49 UTCEPSS rescore
  21. 2026-08-11 23:35 UTCEG score recompute
  22. 2026-08-11 23:35 UTCVendor advisory
  23. 2026-08-11 23:34 UTCGHSA enrichment
  24. 2026-08-11 06:10 UTCEG score recompute
  25. 2026-08-11 06:10 UTCVendor advisory
  26. 2026-08-11 06:10 UTCGHSA enrichment
  27. 2026-08-10 23:58 UTCEPSS rescore
  28. 2026-08-10 09:58 UTCVendor advisory
  29. 2026-08-10 09:58 UTCGHSA enrichment
  30. 2026-08-09 21:12 UTCEG score recompute
  31. 2026-08-09 21:12 UTCVendor advisory
  32. 2026-08-09 21:12 UTCGHSA enrichment
  33. 2026-08-09 13:45 UTCEPSS rescore
  34. 2026-08-09 08:27 UTCEG score recompute
  35. 2026-08-09 08:27 UTCVendor advisory
  36. 2026-08-09 08:27 UTCGHSA enrichment
  37. 2026-08-08 16:35 UTCEPSS rescore
  38. 2026-08-08 09:13 UTCVendor advisory
  39. 2026-08-08 09:13 UTCGHSA enrichment
  40. 2026-08-07 20:27 UTCEG score recompute
  41. 2026-08-07 20:27 UTCVendor advisory
  42. 2026-08-07 20:27 UTCGHSA enrichment
  43. 2026-08-07 16:26 UTCEPSS rescore
  44. 2026-08-06 13:45 UTCEPSS rescore
  45. 2026-08-06 02:54 UTCEG score recompute
  46. 2026-08-06 02:54 UTCVendor advisory
  47. 2026-08-06 02:54 UTCGHSA enrichment
  48. 2026-08-05 19:16 UTCEPSS rescore
  49. 2026-08-05 19:16 UTCEPSS rescore
  50. 2026-08-04 15:08 UTCEPSS rescore
  51. 2026-08-04 10:37 UTCEPSS rescore
  52. 2026-08-04 04:53 UTCEG score recompute
  53. 2026-08-04 04:53 UTCVendor advisory
  54. 2026-08-04 04:53 UTCGHSA enrichment
  55. 2026-08-03 10:35 UTCEPSS rescore
  56. 2026-08-02 19:21 UTCEG score recompute
  57. 2026-08-02 19:21 UTCVendor advisory
  58. 2026-08-02 19:21 UTCGHSA enrichment
  59. 2026-08-02 02:25 UTCEPSS rescore
  60. 2026-08-01 04:14 UTCEPSS rescore
  61. 2026-07-30 16:26 UTCEPSS rescore
  62. 2026-07-30 01:29 UTCEPSS rescore
  63. 2026-07-28 15:35 UTCEPSS rescore
  64. 2026-07-27 14:12 UTCEPSS rescore
  65. 2026-07-26 14:53 UTCEPSS rescore
  66. 2026-07-25 14:17 UTCEPSS rescore
  67. 2026-07-25 14:17 UTCEPSS rescore
  68. 2026-07-23 14:17 UTCEPSS rescore
  69. 2026-07-23 02:48 UTCEG score recompute
  70. 2026-07-22 14:07 UTCEPSS rescore
  71. 2026-07-22 14:07 UTCEPSS rescore
  72. 2026-07-21 15:24 UTCEPSS rescore
  73. 2026-07-20 17:07 UTCEPSS rescore
  74. 2026-07-19 14:30 UTCEPSS rescore
  75. 2026-07-19 02:28 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-10990?
CVE-2025-10990 is a high vulnerability published on February 27, 2026. 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…
When was CVE-2025-10990 disclosed?
CVE-2025-10990 was first published in the National Vulnerability Database on February 27, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-10990 actively exploited?
CVE-2025-10990 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 60.3% of all scored CVEs.
What is the CVSS score of CVE-2025-10990?
CVE-2025-10990 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-10990?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-10990, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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