CVE-2026-65067

Data::Intern::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in intern.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644 world-readable...

CVE-2026-65066 Data::RingBuffer::Shared versions before 0.04 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::RingBuffer::Shared versions before 0.04 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in ring.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644 world-readabl...

CVE-2026-65061

Data::ReqRep::Shared for Perl is affected in versions before 0.05. The issue arises because the code creates a world-readable mmap backing file by opening path with O_RDWR | O_CREAT and mode 0666 (leading to 0644 under umask) and does not use O_EXCL or O_NOFOLLOW, allowing a local user to read IP...

CVE-2026-64617

Data::PubSub::Shared before 0.07 (Perl) creates a world-readable mmap backing file via open(path, O_RDWR|O_CREAT, 0666) with mode 0644 after umask. Lack of O_NOFOLLOW and O_EXCL enables a local attacker to follow a symlink or race, potentially reading IPC payloads stored in the shared segment. Th...

PT-2026-62063

Name of the Vulnerable Software and Affected Versions Data::HashMap::Shared versions prior to 0.14 Description This issue occurs when the software creates a world-readable mmap backing file and opens it without using the O EXCL or O NOFOLLOW flags. The segment is created in shm generic.h using th...