CVE-2023-29758: An issue found in Blue Light Filter v.1.5.5 for Android allows unauthorized apps to cause a persistent denial

Routine

MEDIUM 5.5DOWNGRADE

CVE-2023-29758 is a medium-severity flaw (CVSS 5.5) affecting blue light filter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue found in Blue Light Filter v.1.5.5 for Android allows unauthorized apps to cause a persistent denial of service by manipulating the SharedPreference files.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-863
Published	2023-06-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: leap

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

Am I affected?

Timeline

2023-06-09 20:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

leap blue light filter DOWNGRADE

Affected: 1.5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.5

1. Check installed version

apt-cache policy blue-light-filter || rpm -q blue-light-filter || blue-light-filter --version

2. No fixed release: DOWNGRADE to a release before 1.5.5 (Debian / Ubuntu)

apt-cache madison blue-light-filter sudo apt install blue-light-filter=<VERSION_BEFORE_1.5.5> sudo apt-mark hold blue-light-filter

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

dnf --showduplicates list blue-light-filter sudo dnf downgrade blue-light-filter-<VERSION_BEFORE_1.5.5> sudo dnf versionlock add blue-light-filter

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-2023-29758?

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

Is CVE-2023-29758 being exploited?

CVE-2023-29758 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-2023-29758 affect?

CVE-2023-29758 affects blue light filter. Severity is medium (CVSS 5.5). An issue found in Blue Light Filter v.1.5.5 for Android allows unauthorized apps to cause a persistent denial of service by manipulating the SharedPreference files.

How urgent is CVE-2023-29758?

Priority 31/100. Public exploit reference

Software pages

Android vulnerabilities

Related CVEs

CVE-2023-29757 HIGH 7.8 DOWNGRADE An issue found in Blue Light Filter v.1.5.5 for Android allows unauthorized apps to cause escalation of privil

References

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