CVE-2018-19873

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

An issue was discovered in Qt before 5.11.3. QBmpHandler has a buffer overflow via BMP data.

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%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
88%
KEV
Not listed

Published

December 26, 2018

Last Modified

February 11, 2025

Advisory Details (5)

Auto-updated Aug 20, 2026
Patch available. Sources: redhat.
generic Patch Available

[SECURITY] [DLA 1627-1] qtbase-opensource-src security update

https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html
generic
https://codereview.qt-project.org/#/c/238749/
generic

Qt Blog

https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2019:3390
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2019:2135

Vendor Advisories for CVE-2018-19873(3)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuqtbase5-private-dev (5.11.1+dfsg-7ubuntu3.1) @ cosmic2026-05-27ubuntu
redhatqt-1:4.8.7-8.el72020-03-31redhat
redhatqt5-qttools-0:5.11.1-9.el82019-11-05redhat
redhatqt5-qtxmlpatterns-0:5.9.7-1.el72019-08-06redhat

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

(8 across 6 ecosystems)
Debian:8(2)
PackageVulnerable rangeFixed inDependents
qt4-x114:4.8.6+git64-g5dc8b2b+dfsg-3, 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u14:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u2—
qtbase-opensource-src5.3.2+dfsg-4, 5.3.2+dfsg-4+deb8u1, 5.3.2+dfsg-4+deb8u1~bpo70+1, 5.3.2+dfsg-4+deb8u25.3.2+dfsg-4+deb8u3—
Debian:9(2)
PackageVulnerable rangeFixed inDependents
qt4-x114:4.8.7+dfsg-114:4.8.7+dfsg-11+deb9u1—
qtbase-opensource-src5.7.1+dfsg-35.7.1+dfsg-3+deb9u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
qtbase-opensource-src—5.11.3+dfsg-2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
qtbase-opensource-src—5.11.3+dfsg-2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
qtbase-opensource-src—5.11.3+dfsg-2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
qtbase-opensource-src—5.11.3+dfsg-2—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

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 6× in last 7d / 28× 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 124 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-19 17:00 UTCEPSS rescore
  3. 2026-08-18 13:44 UTCEPSS rescore
  4. 2026-08-16 14:51 UTCEPSS rescore
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  11. 2026-08-07 16:23 UTCEPSS rescore
  12. 2026-08-06 13:42 UTCEPSS rescore
  13. 2026-08-06 08:10 UTCOSV refresh
  14. 2026-08-05 19:13 UTCEPSS rescore
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  16. 2026-08-02 02:23 UTCEPSS rescore
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  18. 2026-07-30 16:24 UTCEPSS rescore
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  25. 2026-07-24 14:14 UTCEPSS rescore
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  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:35 UTCEG score recompute
  3. 2026-07-22 22:15 UTCEG score recompute
  4. 2026-07-22 14:05 UTCEPSS rescore
  5. 2026-07-21 15:22 UTCEPSS rescore
  6. 2026-07-21 01:17 UTCOSV refresh
  7. 2026-07-20 17:04 UTCEPSS rescore
  8. 2026-07-20 17:04 UTCEPSS rescore
  9. 2026-07-19 14:28 UTCEPSS rescore
  10. 2026-07-19 02:26 UTCEPSS rescore
  11. 2026-07-19 02:26 UTCEPSS rescore
  12. 2026-07-16 16:59 UTCEPSS rescore
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  14. 2026-07-15 16:55 UTCEPSS rescore
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  18. 2026-07-13 22:27 UTCEPSS rescore
  19. 2026-07-13 22:26 UTCEPSS rescore
  20. 2026-07-13 06:10 UTCEPSS rescore
  21. 2026-07-12 05:43 UTCEPSS rescore
  22. 2026-07-11 08:24 UTCEPSS rescore
  23. 2026-07-09 19:06 UTCEPSS rescore
  24. 2026-07-08 15:11 UTCEPSS rescore
  25. 2026-07-07 13:42 UTCEPSS rescore
  26. 2026-07-07 13:42 UTCEPSS rescore
  27. 2026-07-06 16:24 UTCEPSS rescore
  28. 2026-07-06 16:24 UTCEPSS rescore
  29. 2026-07-06 02:20 UTCEPSS rescore
  30. 2026-07-05 02:27 UTCEPSS rescore
  31. 2026-07-04 06:28 UTCEPSS rescore
  32. 2026-07-04 06:28 UTCEPSS rescore
  33. 2026-07-03 20:26 UTCOSV refresh
  34. 2026-07-02 16:54 UTCEPSS rescore
  35. 2026-07-01 15:03 UTCEPSS rescore
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  37. 2026-06-30 23:20 UTCEPSS rescore
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  39. 2026-06-29 14:03 UTCEPSS rescore
  40. 2026-06-28 04:53 UTCEPSS rescore
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  42. 2026-06-27 03:06 UTCEPSS rescore
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  44. 2026-06-25 13:47 UTCEPSS rescore
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  46. 2026-06-24 14:02 UTCEPSS rescore
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  48. 2026-06-23 21:30 UTCEPSS rescore
  49. 2026-06-23 21:30 UTCEPSS rescore
  50. 2026-06-23 21:30 UTCEPSS rescore
  51. 2026-06-22 14:23 UTCEPSS rescore
  52. 2026-06-21 14:54 UTCEPSS rescore
  53. 2026-06-21 14:54 UTCEPSS rescore
  54. 2026-06-21 01:57 UTCEPSS rescore
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  56. 2026-06-19 19:23 UTCEPSS rescore
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  58. 2026-06-18 17:50 UTCEPSS rescore
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  63. 2026-06-16 17:50 UTCEPSS rescore
  64. 2026-06-15 17:45 UTCEPSS rescore
  65. 2026-06-15 08:13 UTCOSV refresh
  66. 2026-06-13 22:58 UTCEPSS rescore
  67. 2026-06-12 23:09 UTCEPSS rescore
  68. 2026-06-12 23:09 UTCEPSS rescore
  69. 2026-06-11 13:57 UTCEPSS rescore
  70. 2026-06-10 22:16 UTCEPSS rescore
  71. 2026-06-10 13:19 UTCEPSS rescore
  72. 2026-06-08 14:14 UTCEPSS rescore
  73. 2026-06-08 14:14 UTCEPSS rescore
  74. 2026-06-07 15:22 UTCEPSS rescore
  75. 2026-06-07 15:22 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2018-19873?
CVE-2018-19873 is a critical vulnerability published on December 26, 2018. An issue was discovered in Qt before 5.11.3. QBmpHandler has a buffer overflow via BMP data.
When was CVE-2018-19873 disclosed?
CVE-2018-19873 was first published in the National Vulnerability Database on December 26, 2018, with the most recent update on February 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-19873 actively exploited?
CVE-2018-19873 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 12.2% of all scored CVEs.
What is the CVSS score of CVE-2018-19873?
CVE-2018-19873 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-19873?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19873, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-19873

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