CVE-2019-17582

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.5%, top 17% of all CVEs by exploit prediction. 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
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858."

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: 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
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
82.7%
KEV
Not listed

Published

February 9, 2021

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 6, 2026
Patch available. Sources: github_commit.
generic

use-after-free in _zip_buffer_free (zip_buffer.c) · Issue #5 · nih-at/libzip · GitHub

https://github.com/nih-at/libzip/issues/5
github_commit Patch Available

commit 2217022b7d11 (nih-at/libzip)

Patch available: nih-at/libzip rel-1-6-0 (contains commit 2217022b7d11)

https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 46× 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 14:15 UTCEPSS rescore
  2. 2026-07-23 01:42 UTCEG score recompute
  3. 2026-07-22 22:22 UTCEG score recompute
  4. 2026-07-22 14:05 UTCEPSS rescore
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  13. 2026-07-19 02:22 UTCOSV refresh
  14. 2026-07-18 10:01 UTCEPSS rescore
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  1. 2026-07-09 19:06 UTCEPSS rescore
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  8. 2026-07-04 06:28 UTCEPSS rescore
  9. 2026-07-01 15:03 UTCEPSS rescore
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-07-01 09:18 UTCOSV refresh
  12. 2026-06-30 23:20 UTCEPSS rescore
  13. 2026-06-29 14:03 UTCEPSS rescore
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  17. 2026-06-27 03:06 UTCEPSS rescore
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  24. 2026-06-21 14:54 UTCEPSS rescore
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  30. 2026-06-18 17:50 UTCEPSS rescore
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  36. 2026-06-13 22:58 UTCEPSS rescore
  37. 2026-06-13 14:43 UTCOSV refresh
  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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  59. 2026-05-29 13:42 UTCEPSS rescore
  60. 2026-05-28 13:43 UTCEPSS rescore
  61. 2026-05-27 13:38 UTCEPSS rescore
  62. 2026-05-26 21:03 UTCEG score recompute
  63. 2026-05-26 21:03 UTCGHSA enrichment
  64. 2026-05-26 13:42 UTCEPSS rescore
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  66. 2026-05-26 07:17 UTCEPSS rescore
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  68. 2026-05-26 07:17 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2019-17582?
CVE-2019-17582 is a critical vulnerability published on February 9, 2021. A use-after-free in the zipdirentread function of zipdirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858."
When was CVE-2019-17582 disclosed?
CVE-2019-17582 was first published in the National Vulnerability Database on February 9, 2021, 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-2019-17582 actively exploited?
CVE-2019-17582 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-17582?
CVE-2019-17582 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-17582?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-17582, 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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