CVE-2026-57251

HIGHPre-NVD 7.87.8
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-08. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.

CVSS v3
7.8
EG Score
7.8(high)
EPSS
1.9%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-57251(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 42× in last 7d / 48× 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. 2026-07-16 00:55 UTCEG score recompute
  2. 2026-07-16 00:55 UTCGHSA enrichment
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-15 14:04 UTCEG score recompute
  6. 2026-07-15 14:04 UTCGHSA enrichment
  7. 2026-07-15 03:11 UTCEG score recompute
  8. 2026-07-15 03:11 UTCGHSA enrichment
  9. 2026-07-15 02:00 UTCEPSS rescore
  10. 2026-07-15 02:00 UTCEPSS rescore
  11. 2026-07-14 16:20 UTCEG score recompute
  12. 2026-07-14 16:20 UTCGHSA enrichment
  13. 2026-07-14 05:29 UTCEG score recompute
  14. 2026-07-14 05:29 UTCGHSA enrichment
  15. 2026-07-13 22:31 UTCEPSS rescore
  16. 2026-07-13 18:38 UTCEG score recompute
  17. 2026-07-13 18:38 UTCGHSA enrichment
  18. 2026-07-13 07:46 UTCEG score recompute
  19. 2026-07-13 07:46 UTCGHSA enrichment
  20. 2026-07-12 20:55 UTCEG score recompute
  21. 2026-07-12 20:55 UTCGHSA enrichment
  22. 2026-07-12 10:01 UTCEG score recompute
  23. 2026-07-12 10:01 UTCGHSA enrichment
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-11 23:10 UTCEG score recompute
Show 23 more
  1. 2026-07-11 23:10 UTCGHSA enrichment
  2. 2026-07-11 12:17 UTCEG score recompute
  3. 2026-07-11 12:17 UTCGHSA enrichment
  4. 2026-07-11 08:27 UTCEPSS rescore
  5. 2026-07-11 08:27 UTCEPSS rescore
  6. 2026-07-11 01:26 UTCEG score recompute
  7. 2026-07-11 01:26 UTCGHSA enrichment
  8. 2026-07-10 14:35 UTCEG score recompute
  9. 2026-07-10 14:34 UTCGHSA enrichment
  10. 2026-07-10 03:42 UTCEG score recompute
  11. 2026-07-10 03:42 UTCGHSA enrichment
  12. 2026-07-09 19:10 UTCEPSS rescore
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-09 16:49 UTCEG score recompute
  15. 2026-07-09 16:49 UTCGHSA enrichment
  16. 2026-07-09 05:58 UTCEG score recompute
  17. 2026-07-09 05:58 UTCGHSA enrichment
  18. 2026-07-08 19:08 UTCEG score recompute
  19. 2026-07-08 19:08 UTCGHSA enrichment
  20. 2026-07-08 15:16 UTCEPSS rescore
  21. 2026-07-08 15:16 UTCEPSS rescore
  22. 2026-07-08 08:17 UTCEG score recompute
  23. 2026-07-08 08:16 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-57251?
CVE-2026-57251 is a high vulnerability published on July 8, 2026. The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.
When was CVE-2026-57251 disclosed?
CVE-2026-57251 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57251 actively exploited?
CVE-2026-57251 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57251?
CVE-2026-57251 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-57251?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57251, 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-2026-57251

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