CVE-2018-25222

HIGHNVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-03-28. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

SC v7.16 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 1052 bytes to overwrite the instruction pointer and execute shellcode in the application context.

CVSS v3
8.4
EG Score
8.4(medium)
EG Risk
54(Track*)
EG Risk 54/100SSVC: 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
Severity84% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

March 28, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated May 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

SC v7.16 Stack-Based Buffer Overflow Remote Code Execution | Advisories | VulnCheck

https://www.vulncheck.com/advisories/sc-stack-based-buffer-overflow-remote-code-execution
generic🟡 PoC Available

SC 7.16 - Stack-Based Buffer Overflow - Linux local Exploit

https://www.exploit-db.com/exploits/44279

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
sc7.16-1.1.2-1 ... 7.16-4.3 (6 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
sc7.16-1.1.2-1, 7.16-1.1.3-1, 7.16-4.1, 7.16-4.2, 7.16-4.3——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
sc7.16-1.1.2-1, 7.16-1.1.3-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
sc7.16-1.1.2-1, 7.16-1.1.3-1——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 24× 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 209 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2018-25222?
CVE-2018-25222 is a high vulnerability published on March 28, 2026. SC v7.16 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 1052 bytes to overwrite the instruction pointer and execute…
When was CVE-2018-25222 disclosed?
CVE-2018-25222 was first published in the National Vulnerability Database on March 28, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25222 actively exploited?
CVE-2018-25222 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 96.3% of all scored CVEs.
What is the CVSS score of CVE-2018-25222?
CVE-2018-25222 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2018-25222?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25222, 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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