CVE-2026-65069

The Data::DisjointSet::Shared Perl module, in versions prior to 0.02 , contains a vulnerability where it creates a world-readable mmap backing file. The root cause is located in dsu.h, where the open() function is called with a mode of 0666 but without the O_EXCL or O_NOFOLLOW flags. This allows ...

PT-2026-62065

Name of the Vulnerable Software and Affected Versions Data::RingBuffer::Shared versions prior to 0.04 Description This issue occurs when a world-readable mmap backing file is created and opened without the O EXCL or O NOFOLLOW flags. The segment is created using the open function with a mode of...

PT-2026-62055

Data::Buffer::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O NOFOLLOW. The segment is created in buf generic.h with openpath, O RDWR|O CREAT|O EXCL, 0666. O EXCL blocks a pre-seeded file on create, but the mode is 0666, so under the default...

PT-2026-62056

Data::Deque::Shared versions before 0.06 for Perl create a world-readable mmap backing file and open it without O EXCL or O NOFOLLOW. The segment is created in deque.h with openpath, O RDWR|O CREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644 world-readabl...

CVE-2026-64615: Incorrect Permission Assignment for Critical Resource

Data::Graph::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 graph.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-2026-65065: Incorrect Permission Assignment for Critical Resource

Data::RoaringBitmap::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 roaring.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644...

CVE-2026-65068: Incorrect Permission Assignment for Critical Resource

Data::SpatialHash::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 sphash.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644...

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...