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
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 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)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 20, 2026

Advisory Details (8)

Auto-updated Aug 2, 2026
No patch confirmed yet.
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fd427dd84f224309afbcc2cb67c7bb770a01265c
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e86ab1e5661386a874fbb8551f0c04b8e9f8ad22
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/af2fa2fbbced26129813274b8b3f7705f280e174
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/78cea133daf721698876e56135049a96d39d610a
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/74a66fdb5282d89e348b00c42cfca3a936946d94
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3d14bd48e3a77091cbce637a12c2ae31b4a1687c
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3afdc15d6173614d7d834517d9b65e7aa5a08548
generic

crypto: algif_aead - Fix minimum RX size check for decryption - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1c76b5675119f694458293a2a81f40731c69bd32

Patch Availability(31)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-lowlatency-hwe-20.04-edge (5.15.0.179.189~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-azure-6.17 (6.17.0-1015.15) @ questing2026-08-23ubuntu
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1025.25) @ noble2026-08-23ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (5.15.0.179.151) @ jammy2026-08-23ubuntu
ubuntulinux-tools-gcp-64k-6.17 (6.17.0-1018.19) @ questing2026-08-23ubuntu
ubuntulinux-tools-raspi-hwe-18.04-edge (5.4.0.1143.156~18.04.1) @ bionic2026-08-23ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.231.251~18.04.1) @ bionic2026-08-23ubuntu
ubuntulinux-tools-azure-edge (5.15.0.1114.123~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1114.112) @ jammy2026-08-23ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1059.65~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-virtual-hwe-16.04-edge (4.15.0.250.262~16.04.1) @ xenial2026-08-23ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1106.112~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1032.33) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-hwe-24.04 (6.17.0-1026.26) @ noble2026-08-23ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1074 (5.15.0-1074.78) @ jammy2026-08-23ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.17.0-29.29) @ questing2026-08-23ubuntu
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-0:4.18.0-372.191.1.el8_62026-05-06redhat
redhatkernel-rt-0:5.14.0-284.169.1.rt14.454.el9_22026-05-06redhat
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-0:5.14.0-570.112.1.el9_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-0:5.14.0-611.54.1.el9_72026-05-04redhat
redhatkernel-0:6.12.0-124.55.1.el10_12026-05-04redhat
linuxKernel @ 5.10.254osv

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (53 versions)5.10.257-1
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (48 versions)6.1.170-1
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.85-1~bpo12+1 (17 versions)6.12.85-1
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.19~rc8-1~exp1 (126 versions)6.19.14-1

Additional Vendor Advisories

(12)

Data Freshness Timeline

(refreshed 6× in last 7d / 67× 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 181 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 97.7% of all scored CVEs.
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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