CVE-2026-6045

MEDIUMPre-NVD 5.45.4
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This medium-severity CVE scores 5.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (10th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
Trending — 4 sources updated this week

Also known asEUVD-2026-36736 (ENISA EUVD) · GHSA-mc63-87jp-8648 (GitHub Security Advisories)Source: ENISA EUVD

5.4EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • 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 EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small buffer was allocated and then filled as if it were large, writing past its end. In fixed versions the blend-point count is checked against the data actually available before allocating.

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 impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity54% × 45%
Impact severity (EG Severity): CVSS 5.4 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.2% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (5.4): severity, escalated by confirmed exploitation. This CVE's 5.4 is its impact severity (EG Severity), not escalated.

EG Severity
5.4 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.a secondary CVSS source · CVSS v3.0 or v3.1
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-29). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

June 15, 2026

Last Modified

October 25, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
Patch available.
Web page

Security advisories — LibreOffice

https://www.libreoffice.org/about-us/security/advisories/cve-2026-6045

Vendor Advisories for CVE-2026-6045(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 (4:24.2.7-0ubuntu0.24.04.6) @ noble2026-10-29ubuntu

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 14× in last 7d / 45× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 99 of 261 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 100 is merged into the row it repeats. The 162 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  2. 2026-10-29 16:56 UTCEG score recompute
  3. 2026-10-29 16:56 UTCVendor advisory
  4. 2026-10-29 16:56 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  5. 2026-10-29 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  6. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  7. 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  8. 2026-10-26 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-10-25 23:37 UTCEG score recompute
  10. 2026-10-25 23:37 UTCVendor advisory
  11. 2026-10-25 23:37 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  12. 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  13. 2026-10-25 14:15 UTCEG score recompute
  14. 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  15. 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  16. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  17. 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  18. 2026-10-21 09:41 UTCEG score recompute
  19. 2026-10-21 09:41 UTCVendor advisory
  20. 2026-10-21 09:41 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  21. 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  22. 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  23. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  24. 2026-10-18 03:26 UTCEG score recompute
  25. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.2% · 5th percentile
Show 74 more
  1. 2026-10-16 16:43 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  2. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  3. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  4. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  5. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  6. 2026-10-12 15:51 UTCEG score recompute
  7. 2026-10-11 19:35 UTCEG score recompute
  8. 2026-10-11 16:50 UTCEG score recompute
  9. 2026-10-11 14:12 UTCEG score recompute
  10. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  11. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  12. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  13. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  14. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  15. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  16. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  17. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  18. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  19. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  20. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  21. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  22. 2026-09-28 14:28 UTCEG score recompute
  23. 2026-09-28 14:28 UTCVendor advisory
  24. 2026-09-28 14:28 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  25. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  26. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  27. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  28. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  29. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  30. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  31. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  32. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  33. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  34. 2026-09-14 03:47 UTCEG score recompute
  35. 2026-09-14 03:47 UTCVendor advisory
  36. 2026-09-14 03:46 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  37. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  38. 2026-09-11 09:37 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  39. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  40. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  41. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  42. 2026-09-04 05:07 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  43. 2026-09-02 14:12 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  44. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  45. 2026-09-01 04:40 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  46. 2026-08-30 22:59 UTCEG score recompute
  47. 2026-08-30 22:59 UTCVendor advisory
  48. 2026-08-30 22:59 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  49. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  50. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  51. 2026-08-28 21:42 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  52. 2026-08-26 14:47 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  53. 2026-08-24 23:38 UTCEG score recompute
  54. 2026-08-24 23:38 UTCVendor advisory
  55. 2026-08-24 23:38 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  56. 2026-08-23 09:49 UTCEG score recompute
  57. 2026-08-23 09:49 UTCVendor advisory
  58. 2026-08-23 09:48 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  59. 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  60. 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  61. 2026-08-21 18:15 UTCEG score recompute
  62. 2026-08-21 18:15 UTCVendor advisory
  63. 2026-08-21 18:15 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  64. 2026-08-20 22:56 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  65. 2026-08-20 16:22 UTCEG score recompute
  66. 2026-08-20 16:22 UTCVendor advisory
  67. 2026-08-20 16:22 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  68. 2026-08-19 17:04 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  69. 2026-08-19 13:15 UTCEG score recompute
  70. 2026-08-19 13:15 UTCVendor advisory
  71. 2026-08-19 13:15 UTCGHSA enrichmentGHSA-mc63-87jp-8648
  72. 2026-08-18 13:49 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  73. 2026-08-17 16:09 UTCEG score recompute
  74. 2026-08-17 16:09 UTCVendor advisory

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Frequently asked(5)

What is CVE-2026-6045?
CVE-2026-6045 is a medium-severity vulnerability; its CVE record was published on June 15, 2026. LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small…
When was CVE-2026-6045 made public?
CVE-2026-6045 was made public on June 15, 2026: that is the date its CVE record's CNA, Document Fdn., gives for when the vulnerability was made public. The CVE record itself was published on June 15, 2026. EchelonGraph's copy of the record carries a last-modified date of October 25, 2026; the record at its source may have been updated since.
Is CVE-2026-6045 actively exploited?
CVE-2026-6045 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-6045?
CVE-2026-6045 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-2026-6045?
A fix for CVE-2026-6045 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-6045 are linked in the Vendor Advisories panel on this page.

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