CVE-2026-6039

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 95% 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, secondary
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

LibreOffice can import drawings in the DXF format used by CAD software. A heap buffer overflow existed when importing a DXF polyline. The point count taken from the file was truncated to a 16-bit value when the point buffer was sized, while the full count was used to fill it, so a polyline whose point count exceeded the 16-bit range was written past the end of the buffer. In fixed versions such oversized polylines are rejected.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100

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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.2%
EPSS %ILE
5th
KEV
Not listed

Published

June 15, 2026

Last Modified

June 15, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
Patch available.
generic

Security advisories — LibreOffice

https://www.libreoffice.org/about-us/security/advisories/cve-2026-6039

Vendor Advisories for CVE-2026-6039(1)

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
ubuntuure-java (4:26.2.4.2-0ubuntu0.26.04.2) @ resolute2026-09-14ubuntu

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
libreoffice1:7.0.4-4 ... 4:7.6.4~rc1-1~bpo12+1 (402 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
libreoffice4:7.4.5-3 ... 4:7.4.7-1~bpo11+1 (17 versions)
  • every version up to 4:7.4.7-1+deb12u13: fixed in 4:7.4.7-1+deb12u13
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
libreoffice4:25.2.3-2 ... 4:25.2.3-2+deb13u5~bpo12+1 (8 versions)
  • every version up to 4:25.2.3-2+deb13u5: fixed in 4:25.2.3-2+deb13u5
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
libreoffice4:25.2.3-2 ... 4:26.2.3.2-2~bpo13+1 (51 versions)
  • every version up to 4:26.2.3.2-2: fixed in 4:26.2.3.2-2
—

Weakness Classification(2)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 24× 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 235 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:13 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
  4. 2026-10-06 15:18 UTCEPSS rescore
  5. 2026-10-05 17:43 UTCEPSS rescore
  6. 2026-10-04 23:22 UTCEPSS rescore
  7. 2026-10-03 14:26 UTCEPSS rescore
  8. 2026-10-02 17:56 UTCEPSS rescore
  9. 2026-10-01 19:50 UTCEPSS rescore
  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-28 13:52 UTCEPSS rescore
  12. 2026-09-27 13:48 UTCEPSS rescore
  13. 2026-09-26 15:59 UTCEPSS rescore
  14. 2026-09-23 17:54 UTCEPSS rescore
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-20 20:16 UTCEPSS rescore
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-14 03:47 UTCEG score recompute
  21. 2026-09-14 03:47 UTCVendor advisory
  22. 2026-09-14 03:47 UTCGHSA enrichment
  23. 2026-09-11 14:53 UTCEPSS rescore
  24. 2026-09-11 09:37 UTCEPSS rescore
  25. 2026-09-08 22:01 UTCEPSS rescore
Show 75 more
  1. 2026-09-07 16:01 UTCEPSS rescore
  2. 2026-09-06 13:47 UTCEPSS rescore
  3. 2026-09-05 15:31 UTCEPSS rescore
  4. 2026-09-04 05:07 UTCEPSS rescore
  5. 2026-09-02 14:12 UTCEPSS rescore
  6. 2026-09-01 13:54 UTCEPSS rescore
  7. 2026-09-01 04:40 UTCEPSS rescore
  8. 2026-08-30 22:59 UTCEG score recompute
  9. 2026-08-30 22:59 UTCVendor advisory
  10. 2026-08-30 22:59 UTCGHSA enrichment
  11. 2026-08-30 19:17 UTCEPSS rescore
  12. 2026-08-30 01:22 UTCEPSS rescore
  13. 2026-08-28 21:42 UTCEPSS rescore
  14. 2026-08-26 14:47 UTCEPSS rescore
  15. 2026-08-25 13:49 UTCEPSS rescore
  16. 2026-08-24 23:38 UTCEG score recompute
  17. 2026-08-24 23:38 UTCVendor advisory
  18. 2026-08-24 23:38 UTCGHSA enrichment
  19. 2026-08-23 09:49 UTCEG score recompute
  20. 2026-08-23 09:49 UTCVendor advisory
  21. 2026-08-23 09:48 UTCGHSA enrichment
  22. 2026-08-21 23:49 UTCEPSS rescore
  23. 2026-08-21 11:57 UTCEG score recompute
  24. 2026-08-21 11:57 UTCVendor advisory
  25. 2026-08-21 11:57 UTCGHSA enrichment
  26. 2026-08-20 22:56 UTCEPSS rescore
  27. 2026-08-20 12:30 UTCEG score recompute
  28. 2026-08-20 12:30 UTCVendor advisory
  29. 2026-08-20 12:30 UTCGHSA enrichment
  30. 2026-08-19 17:04 UTCEPSS rescore
  31. 2026-08-19 13:15 UTCEG score recompute
  32. 2026-08-19 13:15 UTCVendor advisory
  33. 2026-08-19 13:15 UTCGHSA enrichment
  34. 2026-08-18 13:49 UTCEPSS rescore
  35. 2026-08-18 13:49 UTCEPSS rescore
  36. 2026-08-17 13:47 UTCEPSS rescore
  37. 2026-08-17 08:42 UTCEG score recompute
  38. 2026-08-17 08:42 UTCVendor advisory
  39. 2026-08-17 08:42 UTCGHSA enrichment
  40. 2026-08-16 14:56 UTCEPSS rescore
  41. 2026-08-16 14:56 UTCEPSS rescore
  42. 2026-08-16 09:33 UTCEG score recompute
  43. 2026-08-16 09:33 UTCVendor advisory
  44. 2026-08-16 09:33 UTCGHSA enrichment
  45. 2026-08-16 02:15 UTCEPSS rescore
  46. 2026-08-15 10:29 UTCEG score recompute
  47. 2026-08-15 10:29 UTCVendor advisory
  48. 2026-08-15 10:29 UTCGHSA enrichment
  49. 2026-08-15 01:31 UTCEPSS rescore
  50. 2026-08-14 11:24 UTCEG score recompute
  51. 2026-08-14 11:24 UTCVendor advisory
  52. 2026-08-14 11:24 UTCGHSA enrichment
  53. 2026-08-13 22:00 UTCEPSS rescore
  54. 2026-08-13 12:20 UTCEG score recompute
  55. 2026-08-13 12:20 UTCVendor advisory
  56. 2026-08-13 12:20 UTCGHSA enrichment
  57. 2026-08-12 13:51 UTCEPSS rescore
  58. 2026-08-12 13:16 UTCVendor advisory
  59. 2026-08-12 13:16 UTCGHSA enrichment
  60. 2026-08-11 14:11 UTCEG score recompute
  61. 2026-08-11 14:11 UTCVendor advisory
  62. 2026-08-11 14:11 UTCGHSA enrichment
  63. 2026-08-11 00:00 UTCEPSS rescore
  64. 2026-08-10 15:07 UTCVendor advisory
  65. 2026-08-10 15:07 UTCGHSA enrichment
  66. 2026-08-09 16:02 UTCEG score recompute
  67. 2026-08-09 16:02 UTCVendor advisory
  68. 2026-08-09 16:02 UTCGHSA enrichment
  69. 2026-08-09 13:47 UTCEPSS rescore
  70. 2026-08-08 16:58 UTCEG score recompute
  71. 2026-08-08 16:58 UTCVendor advisory
  72. 2026-08-08 16:58 UTCGHSA enrichment
  73. 2026-08-08 16:37 UTCEPSS rescore
  74. 2026-08-07 17:53 UTCEG score recompute
  75. 2026-08-07 17:53 UTCVendor advisory

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

Frequently asked(5)

What is CVE-2026-6039?
CVE-2026-6039 is a medium vulnerability published on June 15, 2026. LibreOffice can import drawings in the DXF format used by CAD software. A heap buffer overflow existed when importing a DXF polyline. The point count taken from the file was truncated to a 16-bit value when the point buffer was sized, while the full count was used to fill it, so a polyline whose…
When was CVE-2026-6039 disclosed?
CVE-2026-6039 was first published on June 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6039 actively exploited?
CVE-2026-6039 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (5th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-6039?
CVE-2026-6039 has a CVSS base score of 5.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-6039?
A fix for CVE-2026-6039 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-6039 are linked in the Vendor Advisories panel on this page.

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