CVE-2022-39236

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 1.4% (70th percentile of EPSS-scored CVEs). 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
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1.3%CVSS: 4.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Starting with version 17.1.0-rc.1, improperly formed beacon events can disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the matrix-js-sdk can appear to be operating normally but be excluding or corrupting runtime data presented to the consumer. This is patched in matrix-js-sdk v19.7.0. Redacting applicable events, waiting for the sync processor to store data, and restarting the client are possible workarounds. Alternatively, redacting the applicable events and clearing all storage will fix the further perceived issues. Downgrading to an unaffected version, noting that such a version may be subject to other vulnerabilities, will additionally resolve the issue.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
20
EG Risk 20/100CISA SSVC

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
Severity43% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
1.3%
EPSS %ILE
70th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 28, 2022

Last Modified

November 21, 2024

References (10)

Patch Availability(7)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuthunderbird-locale-id (1:102.4.2+build2-0ubuntu0.22.04.1) @ jammy2026-05-25ubuntu
redhatthunderbird-0:102.4.0-1.el8_42022-10-25redhat
redhatthunderbird-0:102.4.0-1.el9_02022-10-25redhat
redhatthunderbird-0:102.4.0-1.el7_92022-10-25redhat
redhatthunderbird-0:102.4.0-1.el8_62022-10-25redhat
redhatthunderbird-0:102.4.0-1.el8_12022-10-25redhat
redhatthunderbird-0:102.4.0-1.el8_22022-10-25redhat

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

(2 across 2 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
node-matrix-js-sdk9.11.0+~cs9.9.16-1, 9.11.0+~cs9.9.16-2, 9.3.0+~cs9.9.16-2, 9.7.0~~rc1+~cs9.9.16-1, 9.7.0~~rc1+~cs9.9.16-2
  • every version on: no fix on record
—
npm(1)
PackageVulnerable rangeFix by version rangeDependents
matrix-js-sdk—
  • 17.1.0-rc.1 up to 19.7.0: fixed in 19.7.0
—

Weakness Classification(1)

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

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 26× 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 186 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2022-39236?
CVE-2022-39236 is a medium vulnerability published on September 28, 2022. Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Starting with version 17.1.0-rc.1, improperly formed beacon events can disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the…
When was CVE-2022-39236 disclosed?
CVE-2022-39236 was first published on September 28, 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-2022-39236 actively exploited?
CVE-2022-39236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.3% probability of exploitation in the next 30 days (70th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-39236?
CVE-2022-39236 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2022-39236?
A fix for CVE-2022-39236 is available: update to the fixed version the vendor names in its advisory.

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