High severity · published Dec 30, 2025
CVE-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 a password
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
Recutils · Gnu
1.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-65409
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-65409
Product
http://ftp.gnu.org/gnu/recutils/
Exploit
https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65409.md
Mailing List
https://lists.gnu.org/archive/html/bug-recutils/2025-10/msg00004.html
Product
https://www.gnu.org/software/recutils/
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