libcrypt-pbkdf2-perl: Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations
CVE-2026-9641 is fixed in 2 products on 1 platform, first by FEDORA-2026-E8231B773D, released June 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations. The default algorithm is HMAC-SHA1, which should only be used for legacy systems. These versions default to using 1000 iterations. Depending on the chosen algorithm, 220,000 to 1,400,000 iterations should be used.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libcrypt-pbkdf2-perl · Debian 12.15 (bookworm) | 0.261630-1~deb13u1~deb12u1 | DEBIAN-CVE-2026-9641 | Jun 24, 2026 |
| libcrypt-pbkdf2-perl · Debian 13.5 (trixie) | 0.261630-1~deb13u1 | DEBIAN-CVE-2026-9641 | Jun 24, 2026 |
| libcrypt-pbkdf2-perl · Debian 14 | 0.261630-1 | DEBIAN-CVE-2026-9641 | Jun 24, 2026 |
| perl-Crypt-PBKDF2 · Fedora 43 | 0.261630-1.fc43 | FEDORA-2026-E8231B773D | Jun 12, 2026 |
| perl-Crypt-PBKDF2 · amzn 2023 | 0.261630-1.amzn2023.0.1 | ALAS2023-2026-1891 | Jun 22, 2026 |
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