CVE-2021-25684

apport can be stalled by reading a FIFO

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Published Jun 11, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Canonical

apport

affected

Version	Status	Constraints
`2.20.1`	affected	< 2.20.1-0ubuntu2.30
`2.20.9`	affected	< 2.20.9-0ubuntu7.23
`2.20.11-0ubuntu27`	affected	< 2.20.11-0ubuntu27.16
`2.20.11-0ubuntu50`	affected	< 2.20.11-0ubuntu50.5

Configuration 1 [-]

OR	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-12576	It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
Ubuntu USN	USN-4720-1	Apport vulnerabilities
Ubuntu USN	USN-4720-2	Apport vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.568% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://seclists.org/fulldisclosure/2025/Jun/9
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1912326

History

Nov 3, 2025 8:30 PM Added references View changes

Type	Values Removed	Values Added
References		http://seclists.org/fulldisclosure/2025/Jun/9

Subscriptions

Canonical Apport

Weaknesses

CWE-20

Sources

CVE record Updated: Nov 3, 2025, 7:25 PM

Status: PUBLISHED
Assigner: canonical
Published: Jun 11, 2021, 2:20 AM
Updated: Nov 3, 2025, 7:25 PM
Reserved: Jan 21, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:42 AM

Status: Modified
Published: Jun 11, 2021, 3:15 AM
Modified: Jun 17, 2026, 3:42 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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