CVE-2026-109831 PUBLISHED

Assigner: jpcert
Reserved: 13.10.2026 Published: 20.10.2026 Updated: 20.10.2026

UnRTF by GNU Project is vulnerable to out-of-bounds write. If a user opens an RTF file crafted by an attacker, it may lead to a denial-of-service (DoS) condition.

Metrics

CVSS 3.0
CVSS 4.0

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	Low

CVSS 3.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	GNU Project
Product	UnRTF
Versions	Default: unaffected affected from 0 to 0.21.12 (excl.)

CVE-2026-109831 PUBLISHED

Metrics

Product Status

References

Problem Types