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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

🗓️ 15 Jul 2026 08:01:20Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 7 Views

Perl up to 5.43.10 has an integer overflow in S_measure_struct causing out-of-bounds heap reads.

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15 Jul 2026 08:01Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5 - 8.4
EPSS0.00207
SSVC
7