CVE-2025-70103

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-27. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

A fix is available — apply it.

Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

May 27, 2026

Last Modified

May 30, 2026

Advisory Details (5)

Auto-updated May 30, 2026
No patch confirmed yet. Sources: github_pr.
generic

lib/extras/dec/pnm.cc:554 heap-buffer-overflow in jxl::extras::DecodeImagePNM · Issue #4337 · libjxl/libjxl · GitHub

https://github.com/libjxl/libjxl/issues/4337
generic

oss-security - CVE-2025-70103: Heap-based Buffer Overflow in libjxl/cjxl via jxl::extras::DecodeImagePNM on crafted PBM file

http://www.openwall.com/lists/oss-security/2026/05/30/7
generic

sigdevel: "Security Advisory: CVE-2025-70103 - Heap-Based Bu…" - Infosec Exchange

https://infosec.exchange/@sigdevel/116642233929409910
generic

pocs/res/libjxl/2025/2 at main · sigdevel/pocs · GitHub

https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2
github_pr

try to fix #4337

Upstream fix in progress (PR #4338 · libjxl/libjxl, state=closed)

https://github.com/libjxl/libjxl/pull/4338

Vendor Advisories for CVE-2025-70103(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibjxl0.11 (0.11.1-6ubuntu4.2) @ resolute2026-09-14ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

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, 0.11.1-5, 0.11.1-6, 0.11.2-0.1~deb13u10.11.2-0.1~deb13u2—
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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 33× 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 307 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-70103?
CVE-2025-70103 is a high vulnerability published on May 27, 2026. Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.
When was CVE-2025-70103 disclosed?
CVE-2025-70103 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on May 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-70103 actively exploited?
CVE-2025-70103 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 69.4% of all scored CVEs.
What is the CVSS score of CVE-2025-70103?
CVE-2025-70103 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2025-70103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-70103, 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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