CVE-2025-5715: A vulnerability was found in Signal App 7.41.4 on Android

Routine

LOW 3.8DOWNGRADE

CVE-2025-5715 is a low-severity flaw (CVSS 3.8) affecting signal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Signal App 7.41.4 on Android. It has been declared as problematic. This vulnerability affects unknown code of the component Biometric Authentication Handler. The manipulation leads to missing critical step in authentication. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and m

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.8 (Low)
Attack vector	Physical
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-304, CWE-306
Published	2025-06-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: signal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-06 04:15 UTCPublished CVE record published
2026-06-17 09:48 UTCUpdated Record last modified

signal signal DOWNGRADE

Affected: 7.41.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.41.4

1. Check installed version

apt-cache policy signal || rpm -q signal || signal --version

2. No fixed release: DOWNGRADE to a release before 7.41.4 (Debian / Ubuntu)

apt-cache madison signal sudo apt install signal=<VERSION_BEFORE_7.41.4> sudo apt-mark hold signal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list signal sudo dnf downgrade signal-<VERSION_BEFORE_7.41.4> sudo dnf versionlock add signal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-5715?

signal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-5715 being exploited?

CVE-2025-5715 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-5715 affect?

CVE-2025-5715 affects signal. Severity is low (CVSS 3.8). A vulnerability was found in Signal App 7.41.4 on Android. It has been declared as problematic. This vulnerability affects unknown code of the component Biometric Authentication Handler. The manipulation leads to missing critical step in au

How urgent is CVE-2025-5715?

Priority 24/100. Public exploit reference

Software pages

Android vulnerabilities

References

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