CVE-2026-20884

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-07. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

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

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

April 7, 2026

Last Modified

April 10, 2026

Advisory Details (2)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

TALOS-2026-2364 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2364
generic

TALOS-2026-2364 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2364

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libraw0.20.2-1, 0.20.2-1+deb11u1, 0.20.2-1+deb11u20.20.2-1+deb11u3—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libraw0.20.2-2.1, 0.20.2-2.1+deb12u10.20.2-2.1+deb12u2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libraw0.21.4-2 ... 0.22.1-1~exp2 (8 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libraw0.21.4-2 ... 0.22.1-1~exp2 (7 versions)0.22.1-1—

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 5× in last 7d / 29× 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 214 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-20884?
CVE-2026-20884 is a high vulnerability published on April 7, 2026. An integer overflow vulnerability exists in the deflatedngload_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
When was CVE-2026-20884 disclosed?
CVE-2026-20884 was first published in the National Vulnerability Database on April 7, 2026, with the most recent update on April 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20884 actively exploited?
CVE-2026-20884 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.7% of all scored CVEs.
What is the CVSS score of CVE-2026-20884?
CVE-2026-20884 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-20884?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20884, 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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