CVE-2022-46344

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-12-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity88% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
84.3%
KEV
Not listed

Published

December 14, 2022

Last Modified

November 21, 2024

References (16)

Vendor Advisories for CVE-2022-46344(5)

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

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxserver-common (2:21.1.4-2ubuntu1.3) @ kinetic2026-05-25ubuntu
ubuntuxserver-xephyr-hwe-16.04 (2:1.19.6-1ubuntu4.1~16.04.6+esm4) @ xenial2026-05-25ubuntu
redhattigervnc-0:1.1.0-25.el6_10.132025-08-04redhat
redhatxorg-x11-server-0:1.20.11-15.el82023-05-16redhat
redhatxorg-x11-server-Xwayland-0:21.1.3-10.el82023-05-16redhat
redhattigervnc-0:1.12.0-15.el8_82023-05-16redhat
redhatxorg-x11-server-0:1.20.11-17.el92023-05-09redhat
redhatxorg-x11-server-Xwayland-0:21.1.3-7.el92023-05-09redhat
redhattigervnc-0:1.12.0-13.el9_22023-05-09redhat
redhatxorg-x11-server-0:1.20.4-21.el7_92023-01-09redhat
redhattigervnc-0:1.8.0-23.el7_92023-01-09redhat

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.

Weakness Classification(1)

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

Additional Vendor Advisories

(6)

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 12× in last 7d / 44× 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.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-46344?
CVE-2022-46344 is a high vulnerability published on December 14, 2022. A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. This issue can lead to local privileges elevation on systems where the X…
When was CVE-2022-46344 disclosed?
CVE-2022-46344 was first published in the National Vulnerability Database on December 14, 2022, 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-2022-46344 actively exploited?
CVE-2022-46344 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-46344?
CVE-2022-46344 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2022-46344?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-46344, 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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