FEDORA-2026-4AEC7019EB: Security update for 3 packages

FEDORA-2026-4AEC7019EB, released November 7, 2026, fixes 2 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0039

33rd percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 1
                                High 0
                                Routine 1

Fixed package versions

Product	Release	Fixed in
perl-Net-IDN-Encode	Fedora 43	2.502-1.fc43
perl-Net-IDN-Encode-debuginfo	Fedora 43	2.502-1.fc43
perl-Net-IDN-Encode-debugsource	Fedora 43	2.502-1.fc43

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-87078	libnet-idn-encode-perl: Net::IDN::Punycode versions from 2.302 before 2.590 for Perl leak the output buffer on every rejected label in decode...	9.1	0.0039	None reported
Routine	CVE-2026-74765	libnet-idn-encode-perl: Net::IDN::Punycode versions before 2.590 for Perl allow an out-of-bounds read via integer overflow of the delta accum...	6.5	0.0033	None reported

Also fixes CVE-2026-87078

ALAS2023-2026-3190
perl-Net-IDN-Encode, perl-Net-IDN-Encode-debuginfo, perl-Net-IDN-Encode-debugsource on amzn 2023
DEBIAN-CVE-2026-87078
libnet-idn-encode-perl on Debian 14

Vendor advisory

https://bodhi.fedoraproject.org/updates/FEDORA-2026-4aec7019eb

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