CVE-2022-43974 json
MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13.
published 2023-01-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46942
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. A remote attacker might be able to send a crafted TLS Message to cause a buffer overflow and achieve remote code execution. This is fixed in 4.6.0.
Patch / fix
- matrixssl matrixssl 4.6.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
telekom.com
/en/company/data-privacy-and-security/news/advisories-504842
vendor-advisory
-
github.com
/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29
third-party-advisory
-
github.com
/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md
release-notes, third-party-advisory
Sources
- CVE List CVE-2022-43974
- NVD CVE-2022-43974
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