CVE-2026-41989

MEDIUMPre-NVD 6.76.7
EchelonGraph scoreMEDIUM confidence

Score 6.7 from GitHub Security Advisory published 2026-04-23. NVD baseline CVSS 6.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 0

A fix is available — apply it.

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS v3
6.7
EG Score
6.7(medium)
EPSS
8.0%
KEV
Not listed

Published

April 23, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

oss-security - Libgcrypt security releases 1.12.2, 1.11.3, 1.10.x

https://www.openwall.com/lists/oss-security/2026/04/21/1
generic

[Announce] [Security fixes] Libgcrypt 1.12.2, 1.11.3, 1.10.x released

https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
generic

⚓ T8211 Libgcrypt ECDH buffer overwrite with zeroes

https://dev.gnupg.org/T8211

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibgcrypt20-doc (1.12.0-2ubuntu0.1) @ resolute2026-06-14ubuntu
redhatlibgcrypt-main-1.12.2-1.hum12026-04-16redhat

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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 35× 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 106 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41989?
CVE-2026-41989 is a medium vulnerability published on April 23, 2026. Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcrypkdecrypt.
When was CVE-2026-41989 disclosed?
CVE-2026-41989 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41989 actively exploited?
CVE-2026-41989 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41989?
CVE-2026-41989 has a CVSS v3 base score of 6.7 (NVD).
How do I remediate CVE-2026-41989?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41989, 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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