BIT-PYTHON-MIN-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

BIT-PYTHON-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

PT-2026-109165

ssl.SSLContext.wrap bio didn't require the server hostname argument to not be None if ssl.SSLContext.check hostname was set. Due to a missing parameter check in SSLObject, if the server hostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead t...

PT-2026-109167

ssl.SSLContext.wrap bio didn't require the server hostname argument to not be None if ssl.SSLContext.check hostname was set. Due to a missing parameter check in SSLObject, if the server hostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead t...

PT-2026-109169

ssl.SSLContext.wrap bio didn't require the server hostname argument to not be None if ssl.SSLContext.check hostname was set. Due to a missing parameter check in SSLObject, if the server hostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead t...

SUSE CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

AZL-105687 CVE-2026-19553 affecting package python3 3.12.14-2

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

AZL-105918 CVE-2026-19553 affecting package tensorflow 2.16.1-11

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

UBUNTU-CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

PSF-2026-44

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

CVE-2026-19553

The Python ssl.SSLContext.wrap_bio() method fails to require a non-None server_hostname argument even when ssl.SSLContext.check_hostname is enabled. Due to a missing parameter check in SSLObject , omitting the server_hostname argument causes certificate hostname verification to be silently skippe...

PT-2026-103461

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description The ssl.SSLContext.wrap bio function fails to require the server hostname argument to be non-null when ssl.SSLContext.check hostname is enabled. Due to a missing parameter check in SSLObject, ...

PT-2026-105769

ssl.SSLContext.wrap bio didn't require the server hostname argument to not be None if ssl.SSLContext.check hostname was set. Due to a missing parameter check in SSLObject, if the server hostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead t...

CVE-2026-19553: Improper Validation of Certificate with Host Mismatch

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...