CVE-2025-6141

Description

A vulnerability has been found in GNU ncurses up to 6.5-20250322 and classified as problematic. This vulnerability affects the function postprocess_termcap of the file tinfo/parse_entry.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. Upgrading to version 6.5-20250329 is able to address this issue. It is recommended to upgrade the affected component.

Read the notes from the security team

Why is this CVE low priority?

no security impact as terminfo files are trusted

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Status

Show unmaintained releases

Package	Ubuntu Release	Status
ncurses	26.04 LTS resolute	Not affected
	25.10 questing	Ignored end of life, was needs-triage
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed 6.4+20240113-1ubuntu2.2
	22.04 LTS jammy	Fixed 6.3-2ubuntu0.3
	20.04 LTS focal	Fixed 6.2-0ubuntu2.1+esm2
	18.04 LTS bionic	Fixed 6.1-1ubuntu1.18.04.1+esm4
	16.04 LTS xenial	Fixed 6.0+20160213-1ubuntu1+esm7
	14.04 LTS trusty	Fixed 5.9+20140118-1ubuntu1+esm7

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Notes

mdeslaur

This is in the code that parses terminfo database files. terminfo files are normally trusted, and since the fix for CVE-2023-29491, we no longer parse terminfo files when apps are setuid. As such, this doesn't really have a security impact. Setting priority to low.

Severity score breakdown

CVSS version:

Base score 4.8 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Attack requirements	None
Privileges required	Low
User interaction	None
Vulnerable system - Confidentiality impact	None
Vulnerable system - Integrity impact	None
Vulnerable system - Availability impact	Low
Subsequent system - Confidentiality impact	None
Subsequent system - Integrity impact	None
Subsequent system - Availability impact	None

Scores

Parameter	Value
Base score	4.8 · Medium
Base + Threat score	-
Base + Environmental score	-
Base + Threat + Environmental score	-

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

Base score 3.3 · Low

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	Low

Scores

Parameter	Value
Base score	3.3 · Low
Exploitability score	-
Impact score	-

Cvss 3 Severity Score

Description

Why is this CVE low priority?

Status

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Notes

mdeslaur

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references

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