CVE-2026-45130

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 84% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, 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.

Vim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in read_compound() in src/spellfile.c when loading a crafted spell file (.spl) with UTF-8 encoding active. An attacker-controlled length field in the spell file's compound section overflows a 32-bit signed integer multiplication, causing a small buffer to be allocated for a write loop that runs many iterations, overflowing the heap. Because the 'spelllang' option can be set from a modeline, a text file modeline can trigger spell file loading if a malicious .spl file has been planted on the runtimepath. This issue has been patched in version 9.2.0450.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

May 8, 2026

Last Modified

July 24, 2026

Advisory Details (4)

Auto-updated May 14, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

oss-security - Re: [vim-security] Heap Buffer Overflow in spell file loading affects Vim < 9.2.0450

http://www.openwall.com/lists/oss-security/2026/05/14/3
github Patch Available🟡 PoC Available

Heap Buffer Overflow in spell file loading affects Vim < 9.2.0450 · Advisory · vim/vim · GitHub

https://github.com/vim/vim/security/advisories/GHSA-q4jv-r9gj-6cwv
generic

Release v9.2.0450 · vim/vim · GitHub

https://github.com/vim/vim/releases/tag/v9.2.0450
generic

patch 9.2.0450: [security]: heap buffer overflow in spellfile.c read_… · vim/vim@9299332 · GitHub

https://github.com/vim/vim/commit/92993329178cb1f72d700fff45ca86e1c2d369f8

Vendor Advisories for CVE-2026-45130(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
ubuntuxxd (2:8.1.2269-1ubuntu5.32+esm5) @ focal2026-08-23ubuntu

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

(5 across 5 ecosystems)
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
vim—9.2.0452-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
vim2:8.2.2434-3 ... 2:9.2.0858-1 (63 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
vim2:9.0.1378-2 ... 2:9.2.0858-1 (45 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
vim2:9.1.1230-2 ... 2:9.2.0858-1 (19 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
vim2:9.1.1230-2 ... 2:9.2.0428-1 (15 versions)2:9.2.0461-1—

Weakness Classification(2)

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 5× in last 7d / 48× 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 166 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. 2026-08-23 18:51 UTCEG score recompute
  11. 2026-08-23 18:51 UTCVendor advisory
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-21 23:49 UTCEPSS rescore
  14. 2026-08-20 22:55 UTCEPSS rescore
  15. 2026-08-19 17:04 UTCEPSS rescore
  16. 2026-08-18 13:48 UTCEPSS rescore
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-17 11:28 UTCEG score recompute
  19. 2026-08-17 11:28 UTCVendor advisory
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 04:32 UTCEG score recompute
  22. 2026-08-16 04:32 UTCVendor advisory
  23. 2026-08-16 02:14 UTCEPSS rescore
  24. 2026-08-15 01:49 UTCEG score recompute
  25. 2026-08-15 01:49 UTCVendor advisory
Show 75 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 03:06 UTCEG score recompute
  3. 2026-08-14 03:06 UTCVendor advisory
  4. 2026-08-13 22:00 UTCEPSS rescore
  5. 2026-08-12 22:42 UTCEG score recompute
  6. 2026-08-12 22:42 UTCVendor advisory
  7. 2026-08-12 13:51 UTCEPSS rescore
  8. 2026-08-11 23:58 UTCEG score recompute
  9. 2026-08-11 23:58 UTCVendor advisory
  10. 2026-08-11 01:15 UTCEG score recompute
  11. 2026-08-11 01:15 UTCVendor advisory
  12. 2026-08-11 00:00 UTCEPSS rescore
  13. 2026-08-10 01:05 UTCEG score recompute
  14. 2026-08-10 01:05 UTCVendor advisory
  15. 2026-08-09 13:46 UTCEPSS rescore
  16. 2026-08-09 02:22 UTCEG score recompute
  17. 2026-08-09 02:22 UTCVendor advisory
  18. 2026-08-08 16:37 UTCEPSS rescore
  19. 2026-08-07 19:34 UTCEG score recompute
  20. 2026-08-07 19:34 UTCVendor advisory
  21. 2026-08-06 20:50 UTCEG score recompute
  22. 2026-08-06 20:50 UTCVendor advisory
  23. 2026-08-06 13:46 UTCEPSS rescore
  24. 2026-08-05 22:06 UTCEG score recompute
  25. 2026-08-05 22:06 UTCVendor advisory
  26. 2026-08-05 19:17 UTCEPSS rescore
  27. 2026-08-04 15:10 UTCEPSS rescore
  28. 2026-08-04 10:38 UTCEPSS rescore
  29. 2026-08-04 00:07 UTCEG score recompute
  30. 2026-08-04 00:07 UTCVendor advisory
  31. 2026-08-03 10:36 UTCEPSS rescore
  32. 2026-08-03 01:22 UTCVendor advisory
  33. 2026-08-02 02:39 UTCEG score recompute
  34. 2026-08-02 02:39 UTCVendor advisory
  35. 2026-08-02 02:27 UTCEPSS rescore
  36. 2026-08-01 04:16 UTCEPSS rescore
  37. 2026-07-30 16:28 UTCEPSS rescore
  38. 2026-07-30 01:30 UTCEPSS rescore
  39. 2026-07-28 15:36 UTCEPSS rescore
  40. 2026-07-27 14:13 UTCEPSS rescore
  41. 2026-07-26 14:54 UTCEPSS rescore
  42. 2026-07-26 14:54 UTCEPSS rescore
  43. 2026-07-26 08:28 UTCEG score recompute
  44. 2026-07-26 08:28 UTCVendor advisory
  45. 2026-07-25 14:18 UTCEPSS rescore
  46. 2026-07-24 14:17 UTCEPSS rescore
  47. 2026-07-23 14:18 UTCEPSS rescore
  48. 2026-07-23 03:16 UTCEG score recompute
  49. 2026-07-22 14:08 UTCEPSS rescore
  50. 2026-07-21 15:24 UTCEPSS rescore
  51. 2026-07-20 17:08 UTCEPSS rescore
  52. 2026-07-19 14:31 UTCEPSS rescore
  53. 2026-07-19 02:29 UTCEPSS rescore
  54. 2026-07-18 10:04 UTCEPSS rescore
  55. 2026-07-16 17:03 UTCEPSS rescore
  56. 2026-07-16 03:53 UTCOSV refresh
  57. 2026-07-15 16:57 UTCEPSS rescore
  58. 2026-07-15 02:00 UTCEPSS rescore
  59. 2026-07-13 22:30 UTCEPSS rescore
  60. 2026-07-13 06:13 UTCEPSS rescore
  61. 2026-07-12 05:46 UTCEPSS rescore
  62. 2026-07-11 08:27 UTCEPSS rescore
  63. 2026-07-09 19:10 UTCEPSS rescore
  64. 2026-07-08 15:16 UTCEPSS rescore
  65. 2026-07-07 13:46 UTCEPSS rescore
  66. 2026-07-06 16:27 UTCEPSS rescore
  67. 2026-07-06 02:23 UTCEPSS rescore
  68. 2026-07-05 02:30 UTCEPSS rescore
  69. 2026-07-04 06:31 UTCEPSS rescore
  70. 2026-07-01 15:07 UTCEPSS rescore
  71. 2026-06-30 23:22 UTCEPSS rescore
  72. 2026-06-29 14:06 UTCEPSS rescore
  73. 2026-06-29 14:06 UTCEPSS rescore
  74. 2026-06-28 14:07 UTCEPSS rescore
  75. 2026-06-28 04:56 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-45130?
CVE-2026-45130 is a medium vulnerability published on May 8, 2026. Vim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in read_compound() in src/spellfile.c when loading a crafted spell file (.spl) with UTF-8 encoding active. An attacker-controlled length field in the spell file's compound section overflows a…
When was CVE-2026-45130 disclosed?
CVE-2026-45130 was first published in the National Vulnerability Database on May 8, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45130 actively exploited?
CVE-2026-45130 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 84.0% of all scored CVEs.
What is the CVSS score of CVE-2026-45130?
CVE-2026-45130 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-45130?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45130, 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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