CVE-2026-44050

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-21. NVD baseline CVSS 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

A fix is available — apply it.

A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity99% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

May 21, 2026

Last Modified

July 23, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Netatalk - Netatalk Security Advisory

https://netatalk.io/security/CVE-2026-44050

Vendor Advisories for CVE-2026-44050(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
ubuntutimelord (4.2.3~ds-2.1ubuntu0.1) @ resolute2026-08-24ubuntu

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:11(1)
PackageVulnerable rangeFixed inDependents
netatalk3.1.12~ds-8 ... 4.5.1~ds-1 (57 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
netatalk4.2.3~ds-1, 4.2.3~ds-1+deb13u14.2.3~ds-1+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
netatalk4.2.3~ds-1, 4.2.3~ds-2, 4.2.3~ds-2.1, 4.4.1~ds-1, 4.4.2~ds-14.4.3~ds-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 / 152× 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 466 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-44050?
CVE-2026-44050 is a critical vulnerability published on May 21, 2026. A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.
When was CVE-2026-44050 disclosed?
CVE-2026-44050 was first published in the National Vulnerability Database on May 21, 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-2026-44050 actively exploited?
CVE-2026-44050 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 65.0% of all scored CVEs.
What is the CVSS score of CVE-2026-44050?
CVE-2026-44050 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-44050?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44050, 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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