CVE catalog
CVE-2017-20240
Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying deriv
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.32% · Oct 25, 2026
Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libcrypt-pbkdf2-perl | sid | 0.261630-1 | fixed |
| Debian | libcrypt-pbkdf2-perl | forky | 0.261630-1 | fixed |
| Debian | libcrypt-pbkdf2-perl | trixie | 0.261630-1~deb13u1 | fixed |
| Debian | libcrypt-pbkdf2-perl | bookworm | 0.261630-1~deb13u1~deb12u1 | fixed |
| Opensuse | perl-Crypt-PBKDF2 | tumbleweed | 0.261630-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libcrypt-pbkdf2-perl | source | sid | 0.261630-1 | not yet assigned | Not reported | [1139867] |
| Debian | libcrypt-pbkdf2-perl | source | forky | 0.261630-1 | not yet assigned | Not reported | [1139867] |
| Debian | libcrypt-pbkdf2-perl | source | trixie | 0.261630-1~deb13u1 | not yet assigned | Not reported | [1139867] |
| Debian | libcrypt-pbkdf2-perl | source | bookworm | 0.261630-1~deb13u1~deb12u1 | not yet assigned | Not reported | [1139867] |
| Opensuse | perl-Crypt-PBKDF2 | rpm | tumbleweed | 0.261630-1.1 | Not reported | OPENSUSE-SU-2026:11034-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libcrypt-pbkdf2-perl]Fixed
Details (2)
0.261630-1~deb13u1~deb12u1· all · bookwormFixed · Fixed:
0.261630-1~deb13u1~deb12u1nvd · libcrypt-pbkdf2-perl · debian · bookworm; nvd · libcrypt-pbkdf2-perl · debian · 12
0.261630-1~deb13u1~deb12u1· all · bookwormFixed · Fixed:
0.261630-1~deb13u1~deb12u1nvd · libcrypt-pbkdf2-perl · debian · bookworm; nvd · libcrypt-pbkdf2-perl · debian · 12
[Debian 13 (Trixie)]
- [libcrypt-pbkdf2-perl]Fixed
Details (2)
0.261630-1~deb13u1· all · trixieFixed · Fixed:
0.261630-1~deb13u1nvd · libcrypt-pbkdf2-perl · debian · 13
0.261630-1~deb13u1· all · trixieFixed · Fixed:
0.261630-1~deb13u1nvd · libcrypt-pbkdf2-perl · debian · 13
[openSUSE Tumbleweed]
- [perl-Crypt-PBKDF2]Fixed
Source package: [perl-Crypt-PBKDF2]
Details (1)
0.261630-1.3· noarch · tumbleweedFixed · Fixed:
0.261630-1.1nvd · perl-Crypt-PBKDF2 · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11034-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2017-20240]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-20240]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11034-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-20240]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-20240.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]