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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| The Document Foundation | LibreOffice | 26.2 to before 26.2.3; 25.8 to before 25.8.7 | 26.2.3, 25.8.7 | Patch available | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* | 25.8.0.0 to before 25.8.7.0; 26.2.0.0 to before 26.2.3.0 | Vulnerable | The 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 Importantlibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 Moderatelibreoffice 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No 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
- 2026-10-02 Threatist record created from CVE-2026-4430
- 2026-10-03 Alias added: GHSA-cwgp-8p97-cf77
References
More The Document Foundation Libreoffice vulnerabilities
- 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
Sources
- CVE-2026-4430 · CVE Program
- CVE-2026-4430 · NVD
- FIRST EPSS
- GHSA-cwgp-8p97-cf77 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-4430 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences