Servers and applications
CVE-2026-42771
Issue summary: When the X509_VERIFY_PARAM_set1_email is called by an application to validate a crafted e-mail address, such as during S/MIME message validation, an out of bounds read can happen. Impact summary: This out of bounds read will not directly exfiltrate the data read to the attacker so the most likely result is a crash and a Denial of Service. An internal helper function called from…
- Severity
- Medium 6.2
- Published
- 9 Jun 2026
- Last changed
- 23 Jul 2026
- Added to UpHeron
- 21 Oct 2026
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
OpenSSLServers and applications · cpe:a:openssl:openssl |
|