CVE-2025-8836

LOWPre-NVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory published 2025-08-11. a secondary CVSS source baseline 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
3.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.3Exploit: NoneExposed: 0

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

A vulnerability was determined in JasPer up to 4.2.5. Affected by this issue is the function jpc_floorlog2 of the file src/libjasper/jpc/jpc_enc.c of the component JPEG2000 Encoder. The manipulation leads to reachable assertion. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The patch is identified as 79185d32d7a444abae441935b20ae4676b3513d4. It is recommended to apply a patch to fix this issue.

CVSS v3
3.3
EG Score
3.3(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity33% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
10.0%
KEV
Not listed

Published

August 11, 2025

Last Modified

June 17, 2026

References (7)

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 10× in last 7d / 46× 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 118 total refreshes for this CVE.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:03 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
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  20. 2026-07-11 08:27 UTCEPSS rescore
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  22. 2026-07-10 07:58 UTCOSV refresh
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  1. 2026-07-06 16:27 UTCEPSS rescore
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  19. 2026-06-24 14:05 UTCEPSS rescore
  20. 2026-06-24 14:04 UTCEPSS rescore
  21. 2026-06-24 09:53 UTCNVD updateCVSS v4 → 1.9
  22. 2026-06-23 21:32 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-21 18:43 UTCOSV refresh
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 14:56 UTCEPSS rescore
  28. 2026-06-21 01:59 UTCEPSS rescore
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  30. 2026-06-19 19:25 UTCEPSS rescore
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  44. 2026-06-10 13:22 UTCEPSS rescore
  45. 2026-06-08 14:17 UTCEPSS rescore
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  47. 2026-06-07 15:24 UTCEPSS rescore
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  49. 2026-06-06 13:47 UTCEPSS rescore
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  55. 2026-06-04 13:12 UTCEPSS rescore
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  57. 2026-06-02 20:40 UTCOSV refresh
  58. 2026-06-02 20:13 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-8836?
CVE-2025-8836 is a low vulnerability published on August 11, 2025. A vulnerability was determined in JasPer up to 4.2.5. Affected by this issue is the function jpcfloorlog2 of the file src/libjasper/jpc/jpcenc.c of the component JPEG2000 Encoder. The manipulation leads to reachable assertion. The attack needs to be approached locally. The exploit has been…
When was CVE-2025-8836 disclosed?
CVE-2025-8836 was first published in the National Vulnerability Database on August 11, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-8836 actively exploited?
CVE-2025-8836 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-8836?
CVE-2025-8836 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2025-8836?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-8836, 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.

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