THREAT OPS › Threat News › [NVD] CVE-2026-57432 (HIGH 8.4) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack.
S_measure_struct adds each item's size times its repeat count to a running total with
[NVD] CVE-2026-57432 (HIGH 8.4) — Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack. S_measure_struct adds each item's size times its repeat count to a running total with
CVE-2026-57432 CVSS: 8.4 HIGH Published: 2026-07-13T17:17:55.670
Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack.
S_measure_struct 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
Indicators of compromise
- CVE-2026-57432cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-57432