TI-2025-40351 Aliases CVE-2025-65409 GHSA-f643-8m38-xc64

A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows…

HIGH 72CWE-369Published 2025-12-30 · Updated 2026-01-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-369.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00355 29th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gnu:recutils:1.9:::::::*	1.9	Vulnerable	GNU

cpe:2.3:a:gnu:recutils:1.9:*:*:*:*:*:*:* Versions 1.9 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2025-65409
2026-10-03 Alias added: GHSA-f643-8m38-xc64

References

Exploit 1

https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65409.md

Patch 1

https://lists.gnu.org/archive/html/bug-recutils/2025-10/msg00004.html

Other 2

TI-2019-08710 An issue was discovered in GNU recutils 1.8. CVSS 3.0HIGH 8.8
TI-2019-08709 An issue was discovered in GNU recutils 1.8. CVSS 3.0HIGH 8.8
TI-2019-08708 An issue was discovered in GNU recutils 1.8. CVSS 3.0MEDIUM 6.5
TI-2019-08707 An issue was discovered in GNU recutils 1.8. CVSS 3.0MEDIUM 6.5
TI-2019-04523 An issue was discovered in GNU Recutils 1.8. CVSS 3.0MEDIUM 6.5
TI-2019-04527 An issue was discovered in GNU Recutils 1.8. CVSS 3.0MEDIUM 6.5

See all 13 →

Sources

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