Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 6 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.
Why it matters now
EPSS 0.01649 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 6 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hunspell_project:hunspell:1.7.0:*:*:*:*:*:*:* | 1.7.0 | Vulnerable | Hunspell Project |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
- cpe:2.3:a:hunspell_project:hunspell:1.7.0:*:*:*:*:*:*:* Versions 1.7.0 Vulnerable ·Hunspell Project
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2020:3971 Released 2020-09-29 · Red Hat rating Lowhunspell security update
- Red Hat Enterprise Linux Client (v. 7) hunspell-1.3.2-16.el7
- Red Hat Enterprise Linux Client Optional (v. 7) hunspell-devel-1.3.2-16.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) hunspell-1.3.2-16.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) hunspell-devel-1.3.2-16.el7
- Red Hat Enterprise Linux Server (v. 7) hunspell-1.3.2-16.el7, hunspell-1.3.2-16.el7.ppc, hunspell-devel-1.3.2-16.el7 +1
- Red Hat Enterprise Linux Workstation (v. 7) hunspell-1.3.2-16.el7, hunspell-devel-1.3.2-16.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:3971 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:3971 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:3971 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:3971 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:3971 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:3971 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16707
- 2026-10-03 Alias added: GHSA-q3gq-ffrv-w3c5
References
Sources
- CVE-2019-16707 · CVE Program
- CVE-2019-16707 · NVD
- FIRST EPSS
- GHSA-q3gq-ffrv-w3c5 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-16707 · 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