CVE-2022-36064

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 1.4% (71st 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
Elevated
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1.4%CVSS: 5.9Exploit: Elevated riskExposed services: Not assessed

The CVE record names the fixed release — apply it.

Shescape is a shell escape package for JavaScript. An Inefficient Regular Expression Complexity vulnerability impacts users that use Shescape to escape arguments for the Unix shells Bash and Dash, or any not-officially-supported Unix shell; and/or using the escape or escapeAll functions with the interpolation option set to true. An attacker can cause polynomial backtracking or quadratic runtime in terms of the input string length due to two Regular Expressions in Shescape that are vulnerable to Regular Expression Denial of Service (ReDoS). This bug has been patched in v1.5.10. For Dash only, this bug has been patched since v1.5.9. As a workaround, a maximum length can be enforced on input strings to Shescape to reduce the impact of the vulnerability. It is not recommended to try and detect vulnerable input strings, as the logic for this may end up being vulnerable to ReDoS itself.

CVSS v3
5.9
EG Score
5.9MEDIUMmedium confidence
EG Risk
43
EG Risk 43/100CISA 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
Severity59% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: The CVE record names the fixed release. Apply it within your standard update timelines.
EPSS PROB
1.4%
EPSS %ILE
72nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

The CVE record names the fixed release. Apply it within your standard update timelines.

Exploitation public PoC (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 6, 2022

Last Modified

November 21, 2024

References (6)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 23× 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 182 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
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  9. 2026-09-30 15:59 UTCEG score recompute
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  15. 2026-09-24 12:37 UTCOSV refresh
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  1. 2026-09-06 13:45 UTCEPSS rescore
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  3. 2026-09-05 05:18 UTCOSV refresh
  4. 2026-09-04 13:57 UTCEPSS rescore
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  6. 2026-09-02 14:09 UTCEPSS rescore
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  8. 2026-08-30 19:14 UTCEPSS rescore
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  19. 2026-08-19 17:01 UTCEPSS rescore
  20. 2026-08-18 15:58 UTCOSV refresh
  21. 2026-08-18 13:45 UTCEPSS rescore
  22. 2026-08-17 13:44 UTCEPSS rescore
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  25. 2026-08-15 01:27 UTCEPSS rescore
  26. 2026-08-13 21:58 UTCEPSS rescore
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  39. 2026-08-03 11:27 UTCOSV refresh
  40. 2026-08-02 02:24 UTCEPSS rescore
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  48. 2026-07-24 14:15 UTCEPSS rescore
  49. 2026-07-24 14:15 UTCEPSS rescore
  50. 2026-07-23 14:16 UTCEPSS rescore
  51. 2026-07-23 02:12 UTCEG score recompute
  52. 2026-07-22 22:59 UTCEG score recompute
  53. 2026-07-22 14:06 UTCEPSS rescore
  54. 2026-07-22 14:06 UTCEPSS rescore
  55. 2026-07-21 15:23 UTCEPSS rescore
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  57. 2026-07-20 17:05 UTCEPSS rescore
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  63. 2026-07-16 20:50 UTCOSV refresh
  64. 2026-07-16 17:00 UTCEPSS rescore
  65. 2026-07-15 16:56 UTCEPSS rescore
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  67. 2026-07-15 01:58 UTCEPSS rescore
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  69. 2026-07-13 22:28 UTCEPSS rescore
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  71. 2026-07-12 05:44 UTCEPSS rescore
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  73. 2026-07-11 08:25 UTCEPSS rescore
  74. 2026-07-09 19:08 UTCEPSS rescore
  75. 2026-07-08 15:12 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-36064?
CVE-2022-36064 is a medium vulnerability published on September 6, 2022. Shescape is a shell escape package for JavaScript. An Inefficient Regular Expression Complexity vulnerability impacts users that use Shescape to escape arguments for the Unix shells Bash and Dash, or any not-officially-supported Unix shell; and/or using the escape or escapeAll functions with the…
When was CVE-2022-36064 disclosed?
CVE-2022-36064 was first published on September 6, 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-2022-36064 actively exploited?
CVE-2022-36064 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.4% probability of exploitation in the next 30 days (72nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-36064?
CVE-2022-36064 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2022-36064?
The CVE record for CVE-2022-36064 names the fix: "This bug has been patched in v1.5.10."

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