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

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-15

EPSS Score

0.21% (percentile: 10.8%)

Affected Products (1)

Other

• 21504-17084

Revision History

• 2026-07-15: Information published.