CVE-2025-65409
published 2025-12-30CVE-2025-65409: 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…
PriorityP433high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.32%
23.8th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | recutils | — | — |
| gnu | recutils | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5LOW
vendor_redhat7.5HIGH
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Red Hat
Recutils: Recutils: Denial of Service due to divide-by-zero with empty password input
vendor_redhat·2025-12-30·CVSS 7.5
CVE-2025-65409 [HIGH] Recutils: Recutils: Denial of Service due to divide-by-zero with empty password input
Recutils: Recutils: Denial of Service due to divide-by-zero with empty password input
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.
A flaw was found in Recutils. Attackers can exploit a divide-by-zero vulnerability in the encryption and decryption routines by providing an empty password. This can lead to a Denial of Service (DoS), making the application unavailable to legitimate users.
Statement: This vulnerability is rated Moderate for Red Hat. It allows attackers to cause a Denial of Service (DoS) by providing an empty password to the encryption/decryption routines of Recutils. This issue primarily affects community projects like Fedora 42 and Fedora 43, where
Debian
CVE-2025-65409: recutils - A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allo...
vendor_debian·2025·CVSS 7.5
CVE-2025-65409 [HIGH] CVE-2025-65409: recutils - A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allo...
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.
Scope: local
bookworm: open
bullseye: open
forky: open
sid: open
GHSA
GHSA-f643-8m38-xc64: A divide-by-zero in the encryption/decryption routines of GNU Recutils v1
ghsa_unreviewed·2025-12-30
CVE-2025-65409 [HIGH] CWE-369 GHSA-f643-8m38-xc64: A divide-by-zero in the encryption/decryption routines of GNU Recutils v1
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.
OSV
CVE-2025-65409: A divide-by-zero in the encryption/decryption routines of GNU Recutils v1
osv·2025-12-30·CVSS 7.5
CVE-2025-65409 [HIGH] CVE-2025-65409: A divide-by-zero in the encryption/decryption routines of GNU Recutils v1
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-65409 recutils: Recutils: Denial of Service due to divide-by-zero with empty password input [fedora-42]
bugzilla·2026-01-01·CVSS 7.5
CVE-2025-65409 [HIGH] CVE-2025-65409 recutils: Recutils: Denial of Service due to divide-by-zero with empty password input [fedora-42]
CVE-2025-65409 recutils: Recutils: Denial of Service due to divide-by-zero with empty password input [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's
Wiz
CVE-2025-65409 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.5
CVE-2025-65409 [HIGH] CVE-2025-65409 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-65409 :
NixOS vulnerability analysis and mitigation
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.
Source : NVD
## 7.5
Score
Published December 30, 2025
Severity HIGH
CNA Score 7.5
Affected Technologies
NixOS
Homebrew
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 19.4
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
recutils
Sources
NVD
Alpine 3.16, 3.17, 3.18, 3.19, 3.20, 3.21, edge Severity HIGH No Fix Added at: Jan 11, 2026
Alpine 3.22, 3.23 Severity HIGH No Fix Added at: Jan 28, 2026
Debian 11, 12, 14 Severity LOW No
http://ftp.gnu.org/gnu/recutils/https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65409.mdhttps://lists.gnu.org/archive/html/bug-recutils/2025-10/msg00004.htmlhttps://www.gnu.org/software/recutils/https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65409.md
2025-12-30
Published