CVE-2026-51252

✕ Withdrawn — historical dataCRITICALPre-NVD 9.8Elevated
9.8CVSS
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::UnpackSFMPEG1 function due to missing input validation on attacker-controlled MP3 metadata.

CVSS v3
9.8
EchelonGraph score
Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
EG Score
—
EG Risk
—
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

July 28, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

cveadvisory-/CVE-2026-51252 at main · programmervuln/cveadvisory- · GitHub

https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51252

Vendor Advisories for CVE-2026-51252(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 2× in last 7d / 9× 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. 2026-09-13 22:12 UTCGHSA enrichment
  2. 2026-09-10 21:31 UTCGHSA enrichment
  3. 2026-09-07 20:57 UTCGHSA enrichment
  4. 2026-09-04 12:09 UTCGHSA enrichment
  5. 2026-08-30 22:46 UTCGHSA enrichment
  6. 2026-08-27 22:13 UTCGHSA enrichment
  7. 2026-08-24 21:40 UTCGHSA enrichment
  8. 2026-08-21 20:43 UTCGHSA enrichment
  9. 2026-08-18 20:08 UTCGHSA enrichment
  10. 2026-08-15 19:33 UTCGHSA enrichment
  11. 2026-08-12 18:59 UTCGHSA enrichment
  12. 2026-08-09 18:26 UTCGHSA enrichment
  13. 2026-08-06 17:53 UTCGHSA enrichment
  14. 2026-08-03 17:20 UTCGHSA enrichment
  15. 2026-08-01 04:16 UTCEPSS rescore
  16. 2026-07-31 16:44 UTCEG score recompute▼ 9.80
  17. 2026-07-31 16:44 UTCGHSA enrichment
  18. 2026-07-31 12:40 UTCGHSA enrichment
  19. 2026-07-31 08:36 UTCGHSA enrichment
  20. 2026-07-31 04:33 UTCGHSA enrichment
  21. 2026-07-31 00:29 UTCGHSA enrichment
  22. 2026-07-30 20:26 UTCEG score recompute
  23. 2026-07-30 20:26 UTCGHSA enrichment
  24. 2026-07-30 16:28 UTCEPSS rescore
  25. 2026-07-30 16:14 UTCGHSA enrichment
Show 24 more
  1. 2026-07-30 12:11 UTCEG score recompute
  2. 2026-07-30 12:11 UTCGHSA enrichment
  3. 2026-07-30 08:08 UTCGHSA enrichment
  4. 2026-07-30 04:05 UTCEG score recompute
  5. 2026-07-30 04:05 UTCGHSA enrichment
  6. 2026-07-30 01:30 UTCEPSS rescore
  7. 2026-07-30 00:01 UTCGHSA enrichment
  8. 2026-07-29 19:54 UTCGHSA enrichment
  9. 2026-07-29 15:50 UTCGHSA enrichment
  10. 2026-07-29 11:47 UTCGHSA enrichment
  11. 2026-07-29 07:43 UTCGHSA enrichment
  12. 2026-07-29 03:35 UTCGHSA enrichment
  13. 2026-07-28 23:31 UTCEG score recompute
  14. 2026-07-28 23:31 UTCGHSA enrichment
  15. 2026-07-28 19:27 UTCEG score recompute
  16. 2026-07-28 19:27 UTCGHSA enrichment
  17. 2026-07-28 18:59 UTCEG score recompute▲ 9.80
  18. 2026-07-28 18:59 UTCGHSA enrichment
  19. 2026-07-28 18:57 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  20. 2026-07-28 16:24 UTCGHSA enrichment
  21. 2026-07-28 15:41 UTCGHSA enrichment
  22. 2026-07-28 15:37 UTCNVD update
  23. 2026-07-28 14:39 UTCEG score recompute
  24. 2026-07-28 14:38 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-51252?
CVE-2026-51252 is a critical vulnerability published on July 28, 2026. schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::UnpackSFMPEG1 function due to missing input validation on attacker-controlled MP3 metadata.
When was CVE-2026-51252 disclosed?
CVE-2026-51252 was first published in the National Vulnerability Database on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51252 actively exploited?
CVE-2026-51252 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 73.4% of all scored CVEs.
What is the CVSS score of CVE-2026-51252?
CVE-2026-51252 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51252?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51252, 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

Explore the affected products and dependency analysis for CVE-2026-51252

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