CVE-2026-43077

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-05-06. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

crypto: algif_aead - Fix minimum RX size check for decryption

The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
2.4%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 20, 2026

References (8)

Vendor Advisories for CVE-2026-43077(14)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1025.25) @ noble2026-06-14ubuntu
ubuntulinux-virtual-hwe-16.04-edge (4.15.0.250.234) @ bionic2026-06-14ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.231.251~18.04.1) @ bionic2026-06-14ubuntu
ubuntulinux-tools-azure-6.17 (6.17.0-1015.15) @ questing2026-06-14ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1059.65+fips1) @ noble2026-06-14ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.17.0-29.29) @ questing2026-06-14ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1114.99) @ jammy2026-06-14ubuntu
ubuntulinux-tools-realtime-hwe-22.04 (6.8.1-1051.52~22.04.1) @ jammy2026-06-14ubuntu
ubuntulinux-tools-gcp-64k-6.17 (6.17.0-1018.19) @ questing2026-06-14ubuntu
ubuntulinux-tools-raspi2-hwe-18.04-edge (5.4.0.1143.174) @ focal2026-06-14ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.4.0-1077 (5.4.0-1077.81) @ focal2026-06-14ubuntu
ubuntulinux-tools-oracle-edge (6.17.0-1014.14~24.04.1) @ noble2026-06-14ubuntu
ubuntulinux-tools-azure-lts-20.04 (5.4.0.1163.155) @ focal2026-06-14ubuntu
ubuntulinux-tools-azure-lts-18.04 (4.15.0.1201.169) @ bionic2026-06-14ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.8.0-1054.57~22.04.1) @ jammy2026-06-14ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1108.117~20.04.1) @ focal2026-06-14ubuntu
redhatkernel-0:5.14.0-427.124.1.el9_42026-05-06redhat
redhatkernel-0:4.18.0-305.190.1.el8_42026-05-06redhat
redhatkernel-0:5.14.0-70.178.1.el9_02026-05-06redhat
redhatkernel-rt-0:5.14.0-70.178.1.rt21.250.el9_02026-05-06redhat
redhatkernel-rt-0:5.14.0-284.169.1.rt14.454.el9_22026-05-06redhat
redhatkernel-0:5.14.0-570.112.1.el9_62026-05-06redhat
redhatkernel-0:4.18.0-372.191.1.el8_62026-05-06redhat
redhatkernel-0:5.14.0-284.169.1.el9_22026-05-05redhat
redhatkernel-0:6.12.0-55.71.1.el10_02026-05-05redhat
redhatkernel-0:4.18.0-477.139.1.el8_82026-05-05redhat
redhatkernel-rt-0:4.18.0-553.123.1.rt7.464.el8_102026-05-05redhat
redhatkernel-0:4.18.0-553.123.1.el8_102026-05-05redhat
redhatkernel-0:6.12.0-124.55.1.el10_12026-05-04redhat
redhatkernel-0:5.14.0-611.54.1.el9_72026-05-04redhat

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.

Additional Vendor Advisories

(12)

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 5× in last 7d / 31× 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 107 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-13 22:30 UTCEPSS rescore
  3. 2026-07-13 06:13 UTCEPSS rescore
  4. 2026-07-11 08:27 UTCEPSS rescore
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-08 15:16 UTCEPSS rescore
  7. 2026-07-07 13:46 UTCEPSS rescore
  8. 2026-07-06 16:27 UTCEPSS rescore
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-01 15:06 UTCEPSS rescore
  13. 2026-06-30 23:22 UTCEPSS rescore
  14. 2026-06-29 14:06 UTCEPSS rescore
  15. 2026-06-28 14:07 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-27 03:08 UTCEPSS rescore
  18. 2026-06-25 13:49 UTCEPSS rescore
  19. 2026-06-25 13:49 UTCEPSS rescore
  20. 2026-06-24 14:05 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
Show 75 more
  1. 2026-06-21 01:59 UTCEPSS rescore
  2. 2026-06-19 19:25 UTCEPSS rescore
  3. 2026-06-18 17:52 UTCEPSS rescore
  4. 2026-06-18 17:52 UTCEPSS rescore
  5. 2026-06-17 17:53 UTCEPSS rescore
  6. 2026-06-16 17:52 UTCEPSS rescore
  7. 2026-06-15 17:49 UTCEPSS rescore
  8. 2026-06-14 07:46 UTCEG score recompute
  9. 2026-06-14 07:46 UTCVendor advisory
  10. 2026-06-14 07:46 UTCGHSA enrichment
  11. 2026-06-13 23:00 UTCEPSS rescore
  12. 2026-06-12 23:12 UTCEPSS rescore
  13. 2026-06-12 23:12 UTCEPSS rescore
  14. 2026-06-12 06:40 UTCEG score recompute
  15. 2026-06-12 06:40 UTCVendor advisory
  16. 2026-06-12 06:39 UTCGHSA enrichment
  17. 2026-06-11 14:00 UTCEPSS rescore
  18. 2026-06-11 04:39 UTCEG score recompute
  19. 2026-06-11 04:39 UTCVendor advisory
  20. 2026-06-11 04:39 UTCGHSA enrichment
  21. 2026-06-10 22:18 UTCEPSS rescore
  22. 2026-06-10 01:47 UTCEG score recompute
  23. 2026-06-10 01:47 UTCVendor advisory
  24. 2026-06-10 01:46 UTCGHSA enrichment
  25. 2026-06-08 23:47 UTCEG score recompute
  26. 2026-06-08 23:47 UTCVendor advisory
  27. 2026-06-08 23:46 UTCGHSA enrichment
  28. 2026-06-08 23:45 UTCGHSA enrichment
  29. 2026-06-08 14:17 UTCEPSS rescore
  30. 2026-06-08 14:17 UTCEPSS rescore
  31. 2026-06-07 21:45 UTCEG score recompute
  32. 2026-06-07 21:45 UTCVendor advisory
  33. 2026-06-07 21:45 UTCGHSA enrichment
  34. 2026-06-07 15:25 UTCEPSS rescore
  35. 2026-06-07 15:25 UTCEPSS rescore
  36. 2026-06-06 19:45 UTCEG score recompute
  37. 2026-06-06 19:45 UTCVendor advisory
  38. 2026-06-06 19:45 UTCGHSA enrichment
  39. 2026-06-06 13:47 UTCEPSS rescore
  40. 2026-06-06 13:47 UTCEPSS rescore
  41. 2026-06-05 22:47 UTCEPSS rescore
  42. 2026-06-05 17:44 UTCEG score recompute
  43. 2026-06-05 17:44 UTCVendor advisory
  44. 2026-06-05 17:44 UTCGHSA enrichment
  45. 2026-06-05 06:10 UTCEPSS rescore
  46. 2026-06-05 06:10 UTCEPSS rescore
  47. 2026-06-04 15:44 UTCEG score recompute
  48. 2026-06-04 15:44 UTCVendor advisory
  49. 2026-06-04 15:44 UTCGHSA enrichment
  50. 2026-06-04 13:12 UTCEPSS rescore
  51. 2026-06-04 13:12 UTCEPSS rescore
  52. 2026-06-03 13:44 UTCEG score recompute
  53. 2026-06-03 13:44 UTCVendor advisory
  54. 2026-06-03 13:44 UTCGHSA enrichment
  55. 2026-06-02 20:13 UTCEPSS rescore
  56. 2026-06-02 11:44 UTCEG score recompute
  57. 2026-06-02 11:44 UTCVendor advisory
  58. 2026-06-02 11:43 UTCGHSA enrichment
  59. 2026-06-01 13:52 UTCEPSS rescore
  60. 2026-06-01 13:52 UTCEPSS rescore
  61. 2026-06-01 09:43 UTCEG score recompute▲ 5.50
  62. 2026-06-01 09:43 UTCVendor advisory
  63. 2026-06-01 09:43 UTCGHSA enrichment
  64. 2026-05-31 22:30 UTCEPSS rescore
  65. 2026-05-31 22:30 UTCEPSS rescore
  66. 2026-05-31 00:16 UTCEPSS rescore
  67. 2026-05-31 00:16 UTCEPSS rescore
  68. 2026-05-29 13:44 UTCEPSS rescore
  69. 2026-05-29 13:44 UTCEPSS rescore
  70. 2026-05-28 13:44 UTCEPSS rescore
  71. 2026-05-28 13:44 UTCEPSS rescore
  72. 2026-05-27 13:40 UTCEPSS rescore
  73. 2026-05-27 13:40 UTCEPSS rescore
  74. 2026-05-26 13:44 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2026-43077?
CVE-2026-43077 is a medium vulnerability published on May 6, 2026. In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.
When was CVE-2026-43077 disclosed?
CVE-2026-43077 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43077 actively exploited?
CVE-2026-43077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-43077?
CVE-2026-43077 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-43077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43077, 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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