CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

EUVD-2026-21218

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

Buffer Over-read

Overview Affected versions of this package are vulnerable to Buffer Over-read in the MatchDomainName function during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. An attacker can cause a crash by supplying a crafted hostname that exhausts the entire string, resulting ...

CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

UBUNTU-CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

CVE-2026-5772

The CVE-2026-5772 issue is a 1-byte stack buffer over-read in wolfSSL’s MatchDomainName (src/internal.c) when validating wildcards with LEFT_MOST_WILDCARD_ONLY; if a wildcard exhausts the hostname, one byte past the buffer is read without bounds checking, potentially crashing the process. Evidenc...

CVE-2026-5772

A 1-byte stack buffer over-read was identified in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFTMOSTWILDCARDONLY flag is active. If a wildcard exhausts the entire hostname string, the function reads one byte past the buffer without a bounds check,...

PT-2026-31812

Name of the Vulnerable Software and Affected Versions versions prior to 2.3 Description A 1-byte stack buffer over-read exists in the MatchDomainName function src/internal.c during wildcard hostname validation when the LEFT MOST WILDCARD ONLY flag is active. If a wildcard exhausts the entire...