CVE-2026-16254

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-07-20. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

A flaw was found in claircore's apk package scanner. Malformed package-database data in a container layer can cause an out-of-bounds access that panics the scanner. If that panic is not recovered, the Clair indexer process can crash, leading to a denial of service.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Jul 20, 2026
Patch available. Sources: redhat.
redhat

2502701 – (CVE-2026-16254) CVE-2026-16254 claircore: claircore: Denial of service via out-of-bounds slice in claircore's apk installed-database parser

https://bugzilla.redhat.com/show_bug.cgi?id=2502701
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-16254

Vendor Advisories for CVE-2026-16254(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 14× in last 7d / 79× 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 110 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16254?
CVE-2026-16254 is a medium vulnerability published on July 20, 2026. A flaw was found in claircore's apk package scanner. Malformed package-database data in a container layer can cause an out-of-bounds access that panics the scanner. If that panic is not recovered, the Clair indexer process can crash, leading to a denial of service.
When was CVE-2026-16254 disclosed?
CVE-2026-16254 was first published in the National Vulnerability Database on July 20, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16254 actively exploited?
CVE-2026-16254 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 69.8% of all scored CVEs.
What is the CVSS score of CVE-2026-16254?
CVE-2026-16254 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-16254?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16254, 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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