CVE-2026-65064 Data::HashMap::Shared versions before 0.14 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::HashMap::Shared versions before 0.14 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in shmgeneric.h with openpath, ORDWR | OCREAT | OCLOEXEC, 0666. The mode is 0666, so under the default umask 022 the file is created mode 06...

CVE-2026-65064

Data::HashMap::Shared before 0.14 for Perl creates a world-readable mmap backing file and opens it with 0666 permissions, without O_EXCL or O_NOFOLLOW. The file is opened with open(path, O_RDWR|O_CREAT|O_CLOEXEC, 0666) in shm_generic.h, yielding a world-readable 0644 file (umask 022). A pre-creat...

CVE-2026-65063 Data::RadixTree::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::RadixTree::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 radix.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-2026-65063

Data::RadixTree::Shared prior to 0.02 for Perl creates a world-readable mmap backing file via open(path, O_RDWR|O_CREAT, 0666) in radix.h. With default umask 022, the resulting mode is 0644, making the file world-readable. O_NOFOLLOW is not used, so a symlink at the path is followed; O_EXCL is no...

CVE-2026-65062

CVE-2026-65062 (Data::SortedSet::Shared) affects Perl versions before 0.03. Affected code creates an mmap-backed segment with world-readable permissions by opening a path with open(path, O_RDWR|O_CREAT, 0666) and a mode of 0666. With the default umask, this yields 0644, making the backing file wo...

CVE-2026-65062 Data::SortedSet::Shared versions before 0.03 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::SortedSet::Shared versions before 0.03 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in sortedset.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644...

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-2026-65061 Data::ReqRep::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

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

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...

CVE-2026-64617 Data::PubSub::Shared versions before 0.07 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::PubSub::Shared versions before 0.07 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in pubsub.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-2026-64616 Data::NDArray::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::NDArray::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 ndarray.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-2026-64616 Data::NDArray::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

Data::NDArray::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 ndarray.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-2026-64616

CVE-2026-64616 affects Data::NDArray::Shared prior to version 0.02 for Perl. The code creates a mmap-backed segment by opening a path with open(path, O_RDWR|O_CREAT, 0666) and mode 0666, leading to a world-readable file (0644 after umask). With O_NOFOLLOW absent and O_EXCL absent, a symlink or pr...

CVE-2026-64615

CVE-2026-64615 affects Data::Graph::Shared for Perl, specifically versions before 0.04. The implementation creates a world-readable mmap backing file by opening path with O_RDWR|O_CREAT and mode 0666 (leading to 0644 under default umask), without O_NOFOLLOW or O_EXCL checks. This enables local us...

CVE-2026-64615 Data::Graph::Shared versions before 0.04 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW

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-2026-64614

CVE-2026-64614 affects Data::Deque::Shared for Perl versions before 0.06. The issue arises when a shared segment is created with open(path, O_RDWR|O_CREAT, 0666); the mode 0666 (subject to umask 022 -> 0644) makes the backing file world-readable. Because O_NOFOLLOW is absent and O_EXCL is also...

CVE-2026-64614 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

Data::Deque::Shared versions before 0.06 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in deque.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-2026-64613

Data::Buffer::Shared for Perl versions before 0.05 is affected. A world-readable mmap backing file is created (mode 0666 then 0644 by default umask) and opened with open(path, O_RDWR|O_CREAT|O_EXCL) without O_NOFOLLOW. A pre-planted symlink at the path can be followed, allowing local users to rea...

CVE-2026-64613 Data::Buffer::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O_NOFOLLOW

Data::Buffer::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without ONOFOLLOW. The segment is created in bufgeneric.h with openpath, ORDWR|OCREAT|OEXCL, 0666. OEXCL blocks a pre-seeded file on create, but the mode is 0666, so under the default umask 02...

PT-2026-62068

Name of the Vulnerable Software and Affected Versions Data::DisjointSet::Shared versions prior to 0.02 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 dsu.h using the op...