CVE-2026-57432 Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack

Perl versions through 5.43.10 have an integer overflow in Smeasurestruct leading to an out-of-bounds heap read in pack and unpack. Smeasurestruct adds each item's size times its repeat count to a running total with no overflow check, so a large repeat count in a pack or unpack template wraps the...

CVE-2026-57432 Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack

Perl versions through 5.43.10 have an integer overflow in Smeasurestruct leading to an out-of-bounds heap read in pack and unpack. Smeasurestruct adds each item's size times its repeat count to a running total with no overflow check, so a large repeat count in a pack or unpack template wraps the...

CVE-2026-57432

CVE-2026-57432 detail (supported by connected docs): Perl versions through 5.43.10 contain an integer overflow in the S_measure_struct function that sums item sizes (size × repeat) without overflow checks. A large repeat count in a pack or unpack template can wrap the signed SSize_t total negativ...

PT-2023-36042 · Git +1 · Mruby

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow READ 1 crash has been reported. The crash involves the pack unpack function, mrb pack unpack function, and mrb vm exec function...

PT-2022-36760 · Git +1 · Mruby

Name of the Vulnerable Software and Affected Versions: No specific software or versions mentioned. Description: A crash occurred due to an unknown read issue. The crash state includes functions such as pack unpack, mrb pack unpack, and mrb vm exec. Recommendations: At the moment, there is no...