CVE-2023-29761: An issue found in Sleep v.20230303 for Android allows unauthorized apps to cause a persistent denial of servic

Routine

MEDIUM 5.5DOWNGRADE

CVE-2023-29761 is a medium-severity flaw (CVSS 5.5) affecting sleep. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue found in Sleep v.20230303 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: urbanandroid

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

urbanandroid sleep DOWNGRADE

Affected: 20230303

Fixed in: no fixed release known

Safe to downgrade to: a release before 20230303

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 20230303 (Debian / Ubuntu)

apt-cache madison sleep sudo apt install sleep=<VERSION_BEFORE_20230303> sudo apt-mark hold sleep

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

dnf --showduplicates list sleep sudo dnf downgrade sleep-<VERSION_BEFORE_20230303> sudo dnf versionlock add sleep

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-2023-29761?

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

Is CVE-2023-29761 being exploited?

CVE-2023-29761 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-2023-29761 affect?

CVE-2023-29761 affects sleep. Severity is medium (CVSS 5.5). An issue found in Sleep v.20230303 for Android allows unauthorized apps to cause a persistent denial of service by manipulating the SharedPreference files.

How urgent is CVE-2023-29761?

Priority 31/100. Public exploit reference

Software pages

Android vulnerabilities

References

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