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TI-2026-03842 Aliases CVE-2026-4430GHSA-cwgp-8p97-cf77

Heap Buffer Overflow in AgileEngine

Priority LOW 23CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · High
Fix status
Partial Red Hat: 15 fixed, 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters. This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00078 0th percentileScored 2026-11-07
Fix Partial LibreOffice (The Document Foundation): 26.2.3, 25.8.7Red Hat: 9 advisoriesRed Hat: 15 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
The Document FoundationLibreOffice26.2 to before 26.2.3; 25.8 to before 25.8.726.2.3, 25.8.7Patch availableCNA
  • LibreOffice VendorThe Document Foundation Affected 26.2 to before 26.2.3; 25.8 to before 25.8.7 Fixed in 26.2.3, 25.8.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*25.8.0.0 to before 25.8.7.0; 26.2.0.0 to before 26.2.3.0VulnerableThe Document Foundation
  • cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* Versions 25.8.0.0 to before 25.8.7.0; 26.2.0.0 to before 26.2.3.0 Vulnerable ·The Document Foundation

Remediation

  • Fix · CNA LibreOffice (The Document Foundation) Fixed in 26.2.3, 25.8.7

Red Hat 9 advisories

  • RHSA-2026:46386 Released 2026-07-27 · Red Hat rating Important
    libreoffice security update
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) autocorr-af-1:5.3.6.1-28.el7_9, autocorr-bg-1:5.3.6.1-28.el7_9, autocorr-ca-1:5.3.6.1-28.el7_9 +47
  • RHSA-2026:39119 Released 2026-07-14 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) autocorr-af-1:6.4.7.2-18.el8_6.1, autocorr-bg-1:6.4.7.2-18.el8_6.1, autocorr-ca-1:6.4.7.2-18.el8_6.1 +47
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) autocorr-af-1:6.4.7.2-18.el8_6.1, autocorr-bg-1:6.4.7.2-18.el8_6.1, autocorr-ca-1:6.4.7.2-18.el8_6.1 +47
  • RHSA-2026:38507 Released 2026-07-13 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) autocorr-af-1:7.1.8.1-15.el9_4.1, autocorr-bg-1:7.1.8.1-15.el9_4.1, autocorr-ca-1:7.1.8.1-15.el9_4.1 +47
Show 6 more Red Hat advisories
  • RHSA-2026:38508 Released 2026-07-13 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) autocorr-af-1:7.1.8.1-14.el9_2.1, autocorr-bg-1:7.1.8.1-14.el9_2.1, autocorr-ca-1:7.1.8.1-14.el9_2.1 +47
  • RHSA-2026:37250 Released 2026-07-09 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) libreoffice-sdk-1:7.1.8.1-15.el9_6.1, libreoffice-sdk-doc-1:7.1.8.1-15.el9_6.1
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) autocorr-af-1:7.1.8.1-15.el9_6.1, autocorr-bg-1:7.1.8.1-15.el9_6.1, autocorr-ca-1:7.1.8.1-15.el9_6.1 +47
  • RHSA-2026:37251 Released 2026-07-09 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) autocorr-af-1:6.4.7.2-18.el8_8.1, autocorr-bg-1:6.4.7.2-18.el8_8.1, autocorr-ca-1:6.4.7.2-18.el8_8.1 +47
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) autocorr-af-1:6.4.7.2-18.el8_8.1, autocorr-bg-1:6.4.7.2-18.el8_8.1, autocorr-ca-1:6.4.7.2-18.el8_8.1 +47
  • RHSA-2026:37249 Released 2026-07-09 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) autocorr-af-1:6.4.7.2-18.el8_4.1, autocorr-bg-1:6.4.7.2-18.el8_4.1, autocorr-ca-1:6.4.7.2-18.el8_4.1 +47
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) autocorr-af-1:6.4.7.2-18.el8_4.1, autocorr-bg-1:6.4.7.2-18.el8_4.1, autocorr-ca-1:6.4.7.2-18.el8_4.1 +47
  • RHSA-2026:28922 Released 2026-06-24 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream (v. 8) autocorr-af-1:6.4.7.2-20.el8_10, autocorr-bg-1:6.4.7.2-20.el8_10, autocorr-ca-1:6.4.7.2-20.el8_10 +47
    • Red Hat Enterprise Linux CRB (v. 8) libreoffice-sdk-1:6.4.7.2-20.el8_10, libreoffice-sdk-doc-1:6.4.7.2-20.el8_10
  • RHSA-2026:28290 Released 2026-06-24 · Red Hat rating Moderate
    libreoffice security update
    • Red Hat Enterprise Linux AppStream (v. 9) autocorr-af-1:7.1.8.1-15.el9_8.1, autocorr-bg-1:7.1.8.1-15.el9_8.1, autocorr-ca-1:7.1.8.1-15.el9_8.1 +47
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libreoffice-sdk-1:7.1.8.1-15.el9_8.1, libreoffice-sdk-doc-1:7.1.8.1-15.el9_8.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:37250
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:28922
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:28290
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:37249
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:39119
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:37251
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:38508
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:38507
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:37250
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:37249
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:39119
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:37251
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:28922
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:28290
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:46386

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4430
  2. 2026-10-03 Alias added: GHSA-cwgp-8p97-cf77

References

  • TI-2019-07233 LibreLogo global-event script execution CVSS 3.1CRITICAL 9.8
  • TI-2018-12068 Path traversal in [UNKNOWN] libreoffice CVSS 3.0CRITICAL 9.8
  • TI-2018-07474 An information disclosure vulnerability occurs when LibreOffice 6.0.3 and Apache… CVSS 3.0HIGH 7.5
  • TI-2019-07230 Code injection in Document Foundation LibreOffice CVSS 3.1CRITICAL 9.8
  • TI-2018-05018 LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary… CVSS 3.0CRITICAL 9.8
  • TI-2023-01118 Arbitrary file write in libreoffice CVSS 3.1MEDIUM 5.5
See all 70 →

Sources