CVE-2026-52584

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: Elevated riskExposed: 0

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

Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a local attacker to obtain sensitive information via the DecodeImageAPNG function

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity71% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 17, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jul 20, 2026
No patch confirmed yet. Sources: github_pr.
generic

Heap-buffer-overflow issue in function DecodeImageAPNG of file lib/extras/dec/apng.cc · Issue #4803 · libjxl/libjxl · GitHub

https://github.com/libjxl/libjxl/issues/4803
github_pr

fix heap-buffer-overflow issue in function DecodeImageAPNG of file lib/extras/dec/apng.cc

Upstream fix in progress (PR #4804 · libjxl/libjxl, state=closed)

https://github.com/libjxl/libjxl/pull/4804

Vendor Advisories for CVE-2026-52584(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
jpeg-xl0.10.3-1 ... 0.9.2-9 (57 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
jpeg-xl0.11.1-4 ... 0.11.2-5.1 (13 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
jpeg-xl0.11.1-4 ... 0.11.2-5 (12 versions)0.11.2-5.1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× 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 169 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-52584?
CVE-2026-52584 is a high vulnerability published on July 17, 2026. Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a local attacker to obtain sensitive information via the DecodeImageAPNG function
When was CVE-2026-52584 disclosed?
CVE-2026-52584 was first published in the National Vulnerability Database on July 17, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52584 actively exploited?
CVE-2026-52584 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 94.2% of all scored CVEs.
What is the CVSS score of CVE-2026-52584?
CVE-2026-52584 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-52584?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52584, 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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