CVE-2026-65066

Data::RingBuffer::Shared for Perl versions prior to 0.04 are vulnerable to local information disclosure and race conditions. The issue stems from the creation of an mmap backing file in ring.h using open(path, O_RDWR|O_CREAT, 0666). Because the O_NOFOLLOW flag is missing, the system follows pre-p...

CVE-2026-65064

Data::HashMap::Shared versions before 0.14 for Perl are vulnerable to a local security issue due to improper file permissions and missing flags in shm_generic.h. The software creates an mmap backing file with a mode of 0666 , which defaults to 0644 (world-readable) under a standard umask. Further...

CVE-2026-65061

Data::ReqRep::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in reqrep.h with openpath, ORDWR | OCREAT, 0666, for both the request-reply and the integer-variant segments. The mode is 0666, so under the...

CVE-2026-64617

The Data::PubSub::Shared Perl module (versions before 0.07 ) contains a vulnerability where it creates a world-readable mmap backing file. The root cause is the use of open(path, O_RDWR|O_CREAT, 0666) in pubsub.h without the O_EXCL or O_NOFOLLOW flags. Under a default umask of 022, the file is cr...