CVE-2018-8798

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 7.5Exploit: None knownExposed: 0

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

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpsnd_process_ping() that results in an information leak.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity75% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
90%
KEV
Not listed

Published

February 5, 2019

Last Modified

November 21, 2024

References (14)

Affected Packages

(11 across 11 ecosystems)
Alpine:v3.10(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.6.0-r0 ... 1.8.3-r5 (16 versions)1.8.6-r0—
Alpine:v3.11(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.6.0-r0 ... 1.8.3-r5 (16 versions)1.8.6-r0—
Alpine:v3.12(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.6.0-r0 ... 1.8.3-r5 (16 versions)1.8.6-r0—
Alpine:v3.13(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.6.0-r0 ... 1.8.3-r5 (16 versions)1.8.6-r0—
Alpine:v3.14(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.6.0-r0 ... 1.8.3-r5 (16 versions)1.8.6-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
rdesktop—1.8.4-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rdesktop—1.8.4-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rdesktop—1.8.4-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
rdesktop—1.8.4-1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.8.2-3, 1.8.2-3+deb8u1, 1.8.3-1, 1.8.3-21.8.4-0+deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
rdesktop1.8.3-21.8.4-1~deb9u1—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 22× 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 146 total refreshes for this CVE.

  1. 2026-09-18 19:22 UTCEPSS rescore
  2. 2026-09-17 19:22 UTCEPSS rescore
  3. 2026-09-15 03:05 UTCEPSS rescore
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  7. 2026-09-08 18:04 UTCOSV refresh
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  20. 2026-08-22 02:37 UTCOSV refresh
  21. 2026-08-21 23:45 UTCEPSS rescore
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  23. 2026-08-19 17:00 UTCEPSS rescore
  24. 2026-08-18 13:44 UTCEPSS rescore
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  1. 2026-08-16 14:52 UTCEPSS rescore
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  5. 2026-08-12 13:47 UTCEPSS rescore
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  7. 2026-08-08 16:32 UTCEPSS rescore
  8. 2026-08-07 16:23 UTCEPSS rescore
  9. 2026-08-06 13:42 UTCEPSS rescore
  10. 2026-08-06 06:54 UTCOSV refresh
  11. 2026-08-04 15:05 UTCEPSS rescore
  12. 2026-08-04 10:33 UTCEPSS rescore
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  18. 2026-07-28 15:32 UTCEPSS rescore
  19. 2026-07-27 14:05 UTCEPSS rescore
  20. 2026-07-26 14:51 UTCEPSS rescore
  21. 2026-07-25 14:14 UTCEPSS rescore
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  25. 2026-07-23 14:15 UTCEPSS rescore
  26. 2026-07-23 14:15 UTCEPSS rescore
  27. 2026-07-23 01:37 UTCEG score recompute
  28. 2026-07-22 22:17 UTCEG score recompute
  29. 2026-07-22 14:05 UTCEPSS rescore
  30. 2026-07-21 15:22 UTCEPSS rescore
  31. 2026-07-20 23:02 UTCOSV refresh
  32. 2026-07-20 17:04 UTCEPSS rescore
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  34. 2026-07-19 14:28 UTCEPSS rescore
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  40. 2026-07-15 16:55 UTCEPSS rescore
  41. 2026-07-15 01:56 UTCEPSS rescore
  42. 2026-07-13 22:27 UTCEPSS rescore
  43. 2026-07-13 06:10 UTCEPSS rescore
  44. 2026-07-12 05:43 UTCEPSS rescore
  45. 2026-07-09 19:06 UTCEPSS rescore
  46. 2026-07-08 15:11 UTCEPSS rescore
  47. 2026-07-08 15:11 UTCEPSS rescore
  48. 2026-07-07 13:42 UTCEPSS rescore
  49. 2026-07-07 13:42 UTCEPSS rescore
  50. 2026-07-06 16:25 UTCEPSS rescore
  51. 2026-07-06 16:24 UTCEPSS rescore
  52. 2026-07-06 02:20 UTCEPSS rescore
  53. 2026-07-05 02:27 UTCEPSS rescore
  54. 2026-07-04 06:28 UTCEPSS rescore
  55. 2026-07-04 06:28 UTCEPSS rescore
  56. 2026-07-03 18:26 UTCOSV refresh
  57. 2026-07-01 15:03 UTCEPSS rescore
  58. 2026-07-01 15:03 UTCEPSS rescore
  59. 2026-06-30 23:20 UTCEPSS rescore
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  61. 2026-06-28 04:53 UTCEPSS rescore
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  63. 2026-06-27 03:06 UTCEPSS rescore
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  65. 2026-06-25 13:47 UTCEPSS rescore
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  69. 2026-06-23 21:30 UTCEPSS rescore
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  71. 2026-06-22 14:23 UTCEPSS rescore
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  73. 2026-06-21 14:54 UTCEPSS rescore
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  75. 2026-06-21 01:57 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-8798?
CVE-2018-8798 is a high vulnerability published on February 5, 2019. rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpsndprocessping() that results in an information leak.
When was CVE-2018-8798 disclosed?
CVE-2018-8798 was first published in the National Vulnerability Database on February 5, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-8798 actively exploited?
CVE-2018-8798 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 10.4% of all scored CVEs.
What is the CVSS score of CVE-2018-8798?
CVE-2018-8798 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2018-8798?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8798, 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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