Medium4.4Red Hat Linux Updated
Information disclosure via malicious certificate with NUL byte in DNS Subject Alternative Name (SAN)
CVE-2026-47778 Published Jun 26, 2026Updated by vendor Jun 26, 2026
Affected products & platforms
Red Hat LinuxUnclassified
Summary
Information disclosure via malicious certificate with NUL byte in DNS Subject Alternative Name (SAN). Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-170.
Affected versions
- < 1.35.11
- < 1.36.7
- < 1.37.3
- < 1.38.1
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Fixed versions
- 1.35.11
- 1.36.7
- 1.37.3
- 1.38.1
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
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