Memory leak in matio
Priority LOW 26CWE-401Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.
Summary
A memory leak was discovered in matio 1.5.21 and earlier in Mat_VarReadNextInfo5() in mat5.c via a crafted file. This issue can potentially result in DoS.
Why it matters now
EPSS 0.00703 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | matio | matio 1.5.22, matio 1.5.23 | — | No fix listed | CNA |
- matio Vendor— Affected matio 1.5.22, matio 1.5.23 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:matio_project:matio:*:*:*:*:*:*:*:* | before 1.5.22 | Vulnerable | Matio Project |
- cpe:2.3:a:matio_project:matio:*:*:*:*:*:*:*:* Versions before 1.5.22 Vulnerable ·Matio Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1515
- 2026-10-03 Alias added: GHSA-rwr3-hm95-vv7p
References
More Matio Project Matio vulnerabilities
- TI-2025-02053 tbeu matio io.c strdup_vprintf heap-based overflow CVSS 4.0MEDIUM 5.3
- TI-2025-02052 tbeu matio mat.c Mat_VarPrint heap-based overflow CVSS 4.0MEDIUM 5.3
- TI-2019-09813 Multiple integer overflows exist in MATIO before 1.5.16, related to mat.c, mat4.c, mat5.c, mat73.c, and matvar_struct.c CVSS 3.1CRITICAL 9.8
- TI-2019-06522 An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. CVSS 3.0CRITICAL 9.1
- TI-2019-06520 An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. CVSS 3.0CRITICAL 9.1
- TI-2019-06518 An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. CVSS 3.0CRITICAL 9.1
Sources
- CVE-2022-1515 · CVE Program
- CVE-2022-1515 · NVD
- FIRST EPSS
- GHSA-rwr3-hm95-vv7p · GitHub Advisory Database · CC BY 4.0
- CVE-2022-1515 · 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