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CVE-2026-74766: Use After Free

🗓️ 22 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 7 Views

Heap use-after-free in Net::IDN::Punycode 2.301-2.589 via decoded code point in XS backend.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74766
1 Oct 202602:50
–circl
cve
CVE
CVE-2026-74766
22 Sep 202607:19
–cve
cvelist
Cvelist
CVE-2026-74766 Net::IDN::Punycode versions from 2.301 before 2.590 for Perl allow a heap use-after-free via a decoded code point that reallocates the output buffer in decode_punycode
22 Sep 202607:19
–cvelist
debiancve
Debian CVE
CVE-2026-74766
22 Sep 202607:19
–debiancve
euvd
EUVD
EUVD-2026-84290
22 Sep 202607:19
–euvd
nvd
NVD
CVE-2026-74766
22 Sep 202608:16
–nvd
osv
OSV
DEBIAN-CVE-2026-74766
22 Sep 202608:16
–osv
osv
OSV
UBUNTU-CVE-2026-74766
22 Sep 202608:16
–osv
ptsecurity
Positive Technologies
PT-2026-96667
22 Sep 202600:00
–ptsecurity
ubuntucve
UbuntuCve
CVE-2026-74766
22 Sep 202600:00
–ubuntucve
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22 Sep 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.4
EPSS0.0019
SSVC
7