Heap-based Buffer Overflow in hoene/libmysofa
Priority MEDIUM 44CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
libmysofa is vulnerable to Heap-based Buffer Overflow
Why it matters now
EPSS 0.01069 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed hoene/libmysofa (hoene): 1.2.1
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 |
|---|---|---|---|---|---|
| hoene | hoene/libmysofa | before 1.2.1 | 1.2.1 | Patch available | CNA |
- hoene/libmysofa Vendorhoene Affected before 1.2.1 Fixed in 1.2.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:* | before 1.2.1 | Vulnerable | Symonics |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:* Versions before 1.2.1 Vulnerable ·Symonics
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA hoene/libmysofa (hoene) Fixed in 1.2.1
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3756
- 2026-10-03 Alias added: GHSA-ph84-4hmc-hhqm
References
Sources
- CVE-2021-3756 · CVE Program
- CVE-2021-3756 · NVD
- FIRST EPSS
- GHSA-ph84-4hmc-hhqm · GitHub Advisory Database · CC BY 4.0
- CVE-2021-3756 · 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