CVE-2026-51254

✕ Withdrawn — historical dataHIGHPre-NVD 7.8Elevated
7.8CVSS
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: Elevated riskExposed: 0

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

schreibfaul1 ESP32-audioI2S v3.4.5 has an integer underflow vulnerability in the MP3Decoder::GetBits() function of the MP3 decoder due to unchecked bit reading operations. The lack of validation on the nBits parameter causes the cachedBits counter to underflow to negative values, leading to invalid bit manipulation, incorrect bitstream parsing, application crash, or arbitrary code execution via a specially crafted MP3 file.

CVSS v3
7.8
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Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.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
3%
KEV
Not listed

Published

July 28, 2026

Last Modified

July 28, 2026

Advisory Details (2)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

cveadvisory-/CVE-2026-51254 at main · programmervuln/cveadvisory- · GitHub

https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51254
generic

ESP32-audioI2S/src/mp3_decoder/mp3_decoder.cpp at master · schreibfaul1/ESP32-audioI2S · GitHub

https://github.com/schreibfaul1/ESP32-audioI2S/blob/master/src/mp3_decoder/mp3_decoder.cpp

Vendor Advisories for CVE-2026-51254(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 3× in last 7d / 13× 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. 2026-08-30 11:42 UTCGHSA enrichment
  2. 2026-08-27 13:27 UTCGHSA enrichment
  3. 2026-08-24 15:12 UTCGHSA enrichment
  4. 2026-08-21 16:56 UTCGHSA enrichment
  5. 2026-08-18 18:40 UTCGHSA enrichment
  6. 2026-08-15 17:01 UTCGHSA enrichment
  7. 2026-08-12 18:45 UTCGHSA enrichment
  8. 2026-08-09 20:30 UTCGHSA enrichment
  9. 2026-08-06 22:14 UTCGHSA enrichment
  10. 2026-08-03 23:59 UTCGHSA enrichment
  11. 2026-08-01 04:16 UTCEPSS rescore
  12. 2026-08-01 01:43 UTCEG score recompute▼ 7.80
  13. 2026-08-01 01:43 UTCGHSA enrichment
  14. 2026-07-31 12:41 UTCGHSA enrichment
  15. 2026-07-30 23:39 UTCEG score recompute
  16. 2026-07-30 23:39 UTCGHSA enrichment
  17. 2026-07-30 16:28 UTCEPSS rescore
  18. 2026-07-30 10:38 UTCEG score recompute
  19. 2026-07-30 10:37 UTCGHSA enrichment
  20. 2026-07-30 01:30 UTCEPSS rescore
  21. 2026-07-29 21:32 UTCGHSA enrichment
  22. 2026-07-29 08:29 UTCEG score recompute
  23. 2026-07-29 08:29 UTCGHSA enrichment
  24. 2026-07-28 19:27 UTCEG score recompute
  25. 2026-07-28 19:27 UTCGHSA enrichment
Show 8 more
  1. 2026-07-28 18:59 UTCEG score recompute▲ 7.80
  2. 2026-07-28 18:59 UTCGHSA enrichment
  3. 2026-07-28 18:57 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  4. 2026-07-28 16:24 UTCGHSA enrichment
  5. 2026-07-28 15:41 UTCGHSA enrichment
  6. 2026-07-28 15:37 UTCNVD update
  7. 2026-07-28 14:39 UTCEG score recompute
  8. 2026-07-28 14:38 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-51254?
CVE-2026-51254 is a high vulnerability published on July 28, 2026. schreibfaul1 ESP32-audioI2S v3.4.5 has an integer underflow vulnerability in the MP3Decoder::GetBits() function of the MP3 decoder due to unchecked bit reading operations. The lack of validation on the nBits parameter causes the cachedBits counter to underflow to negative values, leading to invalid…
When was CVE-2026-51254 disclosed?
CVE-2026-51254 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-2026-51254 actively exploited?
CVE-2026-51254 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 97.3% of all scored CVEs.
What is the CVSS score of CVE-2026-51254?
CVE-2026-51254 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51254?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51254, 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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