CVE-2015-9541

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.5%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Qt through 5.14 allows an exponential XML entity expansion attack via a crafted SVG document that is mishandled in QXmlStreamReader, a related issue to CVE-2003-1564.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
39
EG Risk 39/100CISA 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
Severity75% × 45%
Exploitation2% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
2.5%
EPSS %ILE
84th
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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

January 24, 2020

Last Modified

November 21, 2024

References (6)

Vendor Advisories for CVE-2015-9541(2)

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

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatqt5-qtwebsockets-0:5.12.5-2.el82020-11-04redhat

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
qtbase-opensource-src—
  • every version up to 5.12.5+dfsg-9: fixed in 5.12.5+dfsg-9
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
qtbase-opensource-src—
  • every version up to 5.12.5+dfsg-9: fixed in 5.12.5+dfsg-9
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
qtbase-opensource-src—
  • every version up to 5.12.5+dfsg-9: fixed in 5.12.5+dfsg-9
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
qtbase-opensource-src—
  • every version up to 5.12.5+dfsg-9: fixed in 5.12.5+dfsg-9
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 25× 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 156 total refreshes for this CVE.

  1. 2026-10-09 20:01 UTCEPSS rescore
  2. 2026-10-09 10:28 UTCOSV refresh
  3. 2026-10-08 16:35 UTCEPSS rescore
  4. 2026-10-07 23:40 UTCEPSS rescore
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  11. 2026-09-30 09:08 UTCEG score recompute
  12. 2026-09-28 13:45 UTCEPSS rescore
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  18. 2026-09-19 17:33 UTCOSV refresh
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  1. 2026-09-10 09:26 UTCEPSS rescore
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  5. 2026-09-02 14:07 UTCEPSS rescore
  6. 2026-09-01 13:48 UTCEPSS rescore
  7. 2026-09-01 03:31 UTCEPSS rescore
  8. 2026-08-31 21:04 UTCOSV refresh
  9. 2026-08-27 14:20 UTCEPSS rescore
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  20. 2026-08-14 23:24 UTCOSV refresh
  21. 2026-08-12 13:46 UTCEPSS rescore
  22. 2026-08-11 13:36 UTCEPSS rescore
  23. 2026-08-09 13:42 UTCEPSS rescore
  24. 2026-08-08 16:32 UTCEPSS rescore
  25. 2026-08-07 16:22 UTCEPSS rescore
  26. 2026-08-06 13:42 UTCEPSS rescore
  27. 2026-08-05 19:12 UTCEPSS rescore
  28. 2026-08-04 15:04 UTCEPSS rescore
  29. 2026-08-04 10:31 UTCEPSS rescore
  30. 2026-08-01 04:11 UTCEPSS rescore
  31. 2026-07-30 11:44 UTCOSV refresh
  32. 2026-07-30 01:26 UTCEPSS rescore
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  38. 2026-07-23 14:14 UTCEPSS rescore
  39. 2026-07-23 01:20 UTCEG score recompute
  40. 2026-07-23 00:22 UTCEG score recompute
  41. 2026-07-22 22:00 UTCEG score recompute
  42. 2026-07-22 14:04 UTCEPSS rescore
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  45. 2026-07-20 17:03 UTCEPSS rescore
  46. 2026-07-19 14:27 UTCEPSS rescore
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  48. 2026-07-19 02:26 UTCEPSS rescore
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  50. 2026-07-18 10:00 UTCEPSS rescore
  51. 2026-07-16 16:59 UTCEPSS rescore
  52. 2026-07-15 16:54 UTCEPSS rescore
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  54. 2026-07-15 01:56 UTCEPSS rescore
  55. 2026-07-13 22:26 UTCEPSS rescore
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  57. 2026-07-12 21:07 UTCOSV refresh
  58. 2026-07-12 05:42 UTCEPSS rescore
  59. 2026-07-11 08:23 UTCEPSS rescore
  60. 2026-07-09 19:05 UTCEPSS rescore
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  62. 2026-07-08 15:10 UTCEPSS rescore
  63. 2026-07-07 13:42 UTCEPSS rescore
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  65. 2026-07-06 16:24 UTCEPSS rescore
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  70. 2026-06-30 23:19 UTCEPSS rescore
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  75. 2026-06-28 04:53 UTCEPSS rescore

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2015-9541?
CVE-2015-9541 is a high vulnerability published on January 24, 2020. Qt through 5.14 allows an exponential XML entity expansion attack via a crafted SVG document that is mishandled in QXmlStreamReader, a related issue to CVE-2003-1564.
When was CVE-2015-9541 disclosed?
CVE-2015-9541 was first published on January 24, 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-2015-9541 actively exploited?
CVE-2015-9541 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.5% probability of exploitation in the next 30 days (84th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2015-9541?
CVE-2015-9541 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2015-9541?
A fix for CVE-2015-9541 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2015-9541 are linked in the Vendor Advisories panel on this page.

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