CVE-2019-20382

LOWNVD 3.53.5—
EchelonGraph scoreMEDIUM confidence

Score 3.5 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
3.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 3.5Exploit: NoneExposed: 0

A fix is available — apply it.

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

CVSS v3
3.5
EG Score
3.5(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: 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
Severity35% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
54.9%
KEV
Not listed

Published

March 5, 2020

Last Modified

November 21, 2024

References (12)

Vendor Advisories for CVE-2019-20382(5)

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

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuqemu-utils (1:8.2.2+ds-0ubuntu1.4) @ noble2026-05-27ubuntu
ubuntuqemu-utils (1:2.5+dfsg-5ubuntu10.44) @ xenial2026-05-27ubuntu
redhatqemu-kvm-rhev-10:2.12.0-18.el7_6.122020-10-05redhat
redhatqemu-kvm-10:1.5.3-175.el72020-09-29redhat
redhatqemu-kvm-ma-10:2.12.0-48.el72020-09-29redhat
redhatqemu-kvm-rhev-10:2.12.0-48.el72020-08-03redhat
redhatvirt:rhel-8020020200601195459.4cda2c842020-06-30redhat

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

(2)

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 15× in last 7d / 47× 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 01:43 UTCEG score recompute
  2. 2026-07-22 22:23 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  6. 2026-07-20 17:04 UTCEPSS rescore
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  8. 2026-07-19 18:18 UTCOSV refresh
  9. 2026-07-19 14:28 UTCEPSS rescore
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  21. 2026-07-12 05:43 UTCEPSS rescore
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  25. 2026-07-09 19:06 UTCEPSS rescore
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  1. 2026-07-08 15:11 UTCEPSS rescore
  2. 2026-07-07 13:43 UTCEPSS rescore
  3. 2026-07-06 16:25 UTCEPSS rescore
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  5. 2026-07-06 02:20 UTCEPSS rescore
  6. 2026-07-05 02:27 UTCEPSS rescore
  7. 2026-07-04 06:28 UTCEPSS rescore
  8. 2026-07-02 07:17 UTCOSV refresh
  9. 2026-07-01 15:03 UTCEPSS rescore
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  11. 2026-06-30 23:20 UTCEPSS rescore
  12. 2026-06-29 14:03 UTCEPSS rescore
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  16. 2026-06-27 03:06 UTCEPSS rescore
  17. 2026-06-25 13:47 UTCEPSS rescore
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  21. 2026-06-23 21:31 UTCEPSS rescore
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  23. 2026-06-22 14:23 UTCEPSS rescore
  24. 2026-06-21 14:54 UTCEPSS rescore
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  26. 2026-06-21 01:57 UTCEPSS rescore
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  28. 2026-06-19 19:23 UTCEPSS rescore
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  30. 2026-06-18 17:50 UTCEPSS rescore
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  34. 2026-06-14 23:15 UTCEPSS rescore
  35. 2026-06-14 23:15 UTCEPSS rescore
  36. 2026-06-14 07:43 UTCOSV refresh
  37. 2026-06-13 22:58 UTCEPSS rescore
  38. 2026-06-12 23:09 UTCEPSS rescore
  39. 2026-06-11 13:58 UTCEPSS rescore
  40. 2026-06-10 22:16 UTCEPSS rescore
  41. 2026-06-10 13:19 UTCEPSS rescore
  42. 2026-06-08 14:15 UTCEPSS rescore
  43. 2026-06-07 15:23 UTCEPSS rescore
  44. 2026-06-07 15:23 UTCEPSS rescore
  45. 2026-06-06 13:45 UTCEPSS rescore
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  47. 2026-06-05 22:45 UTCEPSS rescore
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  49. 2026-06-05 06:08 UTCEPSS rescore
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  51. 2026-06-04 13:10 UTCEPSS rescore
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  55. 2026-06-01 13:50 UTCEPSS rescore
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  57. 2026-05-31 22:29 UTCEPSS rescore
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  59. 2026-05-31 00:14 UTCEPSS rescore
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  61. 2026-05-29 13:42 UTCEPSS rescore
  62. 2026-05-28 13:43 UTCEPSS rescore
  63. 2026-05-27 13:38 UTCEPSS rescore
  64. 2026-05-27 07:00 UTCEG score recompute
  65. 2026-05-27 07:00 UTCVendor advisory
  66. 2026-05-27 07:00 UTCGHSA enrichment
  67. 2026-05-26 13:42 UTCEPSS rescore
  68. 2026-05-26 13:42 UTCEPSS rescore
  69. 2026-05-26 07:17 UTCEPSS rescore
  70. 2026-05-26 07:17 UTCEPSS rescore
  71. 2026-05-26 07:17 UTCEPSS rescore
  72. 2026-05-26 06:16 UTCOSV refresh

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2019-20382?
CVE-2019-20382 is a low vulnerability published on March 5, 2020. QEMU 4.1.0 has a memory leak in zrlecompressdata in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.
When was CVE-2019-20382 disclosed?
CVE-2019-20382 was first published in the National Vulnerability Database on March 5, 2020, 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-2019-20382 actively exploited?
CVE-2019-20382 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-20382?
CVE-2019-20382 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2019-20382?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-20382, 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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