CVE-2025-65409

Exp

A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows attackers to cause a Denial of Service (DoS) via inputting an empty value as a password.

Published: 2025-12-30 Last update: 2026-01-09 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-65409 is rated Exploit Available (51.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-65409

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-65409

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-10 0.01% 0.06% +0.05%
2 2025-12-31 0.01%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-65409

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-65409

OS Trackers for CVE-2025-65409

vendor priority summary link
alpine CVE-2025-65409: 1 source package rows (recutils); 3 state rows across 2 repos (3.23-community, edge-community); fixed 0, open 3. https://security.alpinelinux.org/vuln/CVE-2025-65409
debian unimportant CVE-2025-65409 unimportant priority: Debian including 1 source packages (recutils), 4 status rows across 4 suites (bookworm, bullseye, forky, sid): open 4. https://security-tracker.debian.org/tracker/CVE-2025-65409
redhat medium https://access.redhat.com/security/cve/CVE-2025-65409
ubuntu medium CVE-2025-65409 medium priority: Ubuntu including 1 source packages (recutils), 8 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): needs-triage 7, ignored 1. https://ubuntu.com/security/CVE-2025-65409

Affected software / configurations for CVE-2025-65409

Vendor Product Version Raw CPE
gnu recutils 1.9 cpe:2.3:a:gnu:recutils:1.9:*:*:*:*:*:*:*

References for CVE-2025-65409

cvelogic Threat Intelligence