CVE-2025-62799

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 61% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ). Prior to versions 3.4.1, 3.3.1, and 2.6.11, a heap buffer overflow exists in the Fast-DDS DATA_FRAG receive path. An un authenticated sender can transmit a single malformed RTPS DATA_FRAG packet where fragmentSize and sampleSize are craft ed to violate internal assumptions. Due to a 4-byte alignment step during fragment metadata initialization, the code write s past the end of the allocated payload buffer, causing immediate crash (DoS) and potentially enabling memory corruption ( RCE risk). Versions 3.4.1, 3.3.1, and 2.6.11 patch the issue.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
38.8%
KEV
Not listed

Published

February 3, 2026

Last Modified

February 18, 2026

Advisory Details (4)

Auto-updated Jun 2, 2026
Patch available. Sources: github_commit.
generic

CVE-2025-62799

https://security-tracker.debian.org/tracker/CVE-2025-62799
github_commit Patch Available

commit d6dd58f4ecd2 (eProsima/Fast-DDS)

Patch available: eProsima/Fast-DDS v3.4.1 (contains commit d6dd58f4ecd2)

https://github.com/eProsima/Fast-DDS/commit/d6dd58f4ecd28cd1c3bc4ef0467be9110fa94659
github_commit Patch Available

commit 955c8a15899d (eProsima/Fast-DDS)

Patch available: eProsima/Fast-DDS v2.6.11 (contains commit 955c8a15899d)

https://github.com/eProsima/Fast-DDS/commit/955c8a15899dc6eb409e080fe7dc89e142d5a514
github_commit Patch Available

commit 0c3824ef4991 (eProsima/Fast-DDS)

Patch available: eProsima/Fast-DDS v3.3.1 (contains commit 0c3824ef4991)

https://github.com/eProsima/Fast-DDS/commit/0c3824ef4991628de5dfba240669dc6172d63b46

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 46× 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.

  1. 2026-07-24 14:17 UTCEPSS rescore
  2. 2026-07-24 14:17 UTCEPSS rescore
  3. 2026-07-23 14:18 UTCEPSS rescore
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  5. 2026-07-23 03:00 UTCEG score recompute
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  19. 2026-07-13 22:29 UTCEPSS rescore
  20. 2026-07-13 20:07 UTCOSV refresh
  21. 2026-07-13 06:12 UTCEPSS rescore
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  1. 2026-07-07 13:46 UTCEPSS rescore
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  17. 2026-06-28 04:56 UTCEPSS rescore
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  19. 2026-06-27 03:08 UTCEPSS rescore
  20. 2026-06-25 17:16 UTCOSV refresh
  21. 2026-06-25 13:49 UTCEPSS rescore
  22. 2026-06-24 14:04 UTCEPSS rescore
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  24. 2026-06-23 21:32 UTCEPSS rescore
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  26. 2026-06-22 14:25 UTCEPSS rescore
  27. 2026-06-21 14:56 UTCEPSS rescore
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  31. 2026-06-19 19:25 UTCEPSS rescore
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  44. 2026-06-10 22:18 UTCEPSS rescore
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  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-08 14:17 UTCEPSS rescore
  48. 2026-06-08 14:16 UTCEPSS rescore
  49. 2026-06-07 15:24 UTCEPSS rescore
  50. 2026-06-07 15:24 UTCEPSS rescore
  51. 2026-06-06 13:47 UTCEPSS rescore
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  53. 2026-06-05 22:46 UTCEPSS rescore
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  55. 2026-06-05 06:10 UTCEPSS rescore
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  57. 2026-06-04 13:12 UTCEPSS rescore
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  59. 2026-06-02 20:13 UTCEPSS rescore
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  63. 2026-05-31 22:30 UTCEPSS rescore
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  65. 2026-05-31 00:16 UTCEPSS rescore
  66. 2026-05-31 00:16 UTCEPSS rescore
  67. 2026-05-29 14:43 UTCEG score recompute
  68. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-62799?
CVE-2025-62799 is a critical vulnerability published on February 3, 2026. Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ). Prior to versions 3.4.1, 3.3.1, and 2.6.11, a heap buffer overflow exists in the Fast-DDS DATA_FRAG receive path. An un authenticated sender can transmit a single malformed RTPS…
When was CVE-2025-62799 disclosed?
CVE-2025-62799 was first published in the National Vulnerability Database on February 3, 2026, with the most recent update on February 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-62799 actively exploited?
CVE-2025-62799 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-62799?
CVE-2025-62799 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-62799?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-62799, 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.

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