CVE-2017-14062

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
89.2%
KEV
Not listed

Published

August 31, 2017

Last Modified

May 13, 2026

Advisory Details (4)

Auto-updated May 15, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 1447-1] libidn security update

https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html
generic

lib/puny_decode: Fix integer overflow (found by fuzzing) (3284eb34) · Commits · libidn / libidn2 · GitLab

https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
generic

NEWS · master · libidn / libidn2 · GitLab

https://gitlab.com/libidn/libidn2/blob/master/NEWS
generic

[SECURITY] [DSA 3988-1] libidn2-0 security update

http://www.debian.org/security/2017/dsa-3988

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuidn2 (0.16-1ubuntu0.1) @ zesty2026-05-20ubuntu
ubuntuidn2 (0.10-3ubuntu0.1~esm1) @ xenial2026-05-20ubuntu
ubuntulibidn11-java (1.28-1ubuntu2.2) @ trusty2026-05-20ubuntu
ubuntulibidn11 (1.23-2ubuntu0.2) @ precise2026-05-20ubuntu

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.

All Vendor Advisories

(4)

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 / 39× 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.

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

Frequently asked(5)

What is CVE-2017-14062?
CVE-2017-14062 is a critical vulnerability published on August 31, 2017. Integer overflow in the decodedigit function in punydecode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
When was CVE-2017-14062 disclosed?
CVE-2017-14062 was first published in the National Vulnerability Database on August 31, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-14062 actively exploited?
CVE-2017-14062 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-14062?
CVE-2017-14062 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-14062?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-14062, 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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