CVE-2023-0847: The Sub-IoT implementation of the DASH 7 Alliance protocol has a vulnerability that can lead to an out-of-bou

Q: How do I fix CVE-2023-0847?

dash7 alliance protcol: upgrade to newer than 0.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-0847 being exploited?

CVE-2023-0847 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0847 affect?

CVE-2023-0847 affects dash7 alliance protcol. Severity is medium (CVSS 5.3). The Sub-IoT implementation of the DASH 7 Alliance protocol has a vulnerability that can lead to an out-of-bounds write prior to implementation version 0.5.0. If the protocol has been compiled using default settings, this will only grant th

Q: How urgent is CVE-2023-0847?

Priority 38/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-0847 is a medium-severity flaw (CVSS 5.3) affecting dash7 alliance protcol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Sub-IoT implementation of the DASH 7 Alliance protocol has a vulnerability that can lead to an out-of-bounds write prior to implementation version 0.5.0. If the protocol has been compiled using default settings, this will only grant the attacker access to allocated but unused memory. However, if it was configured using non-default settings, there is the possibility that exploiting this vulnerability could lead to system crashes and remote co

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-787
Published	2023-03-01
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: dash7-alliance

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

Am I affected?

Timeline

2023-03-01 00:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

dash7-alliance dash7 alliance protcol UPGRADE

Affected: <= 0.5.0

Fixed in: newer than 0.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dash7-alliance-protcol || rpm -q dash7-alliance-protcol || dash7-alliance-protcol --version

2. UPGRADE to newer than 0.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dash7-alliance-protcol

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dash7-alliance-protcol

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-0847?

dash7 alliance protcol: upgrade to newer than 0.5.0. Exact commands for each OS are on this page.

Is CVE-2023-0847 being exploited?

CVE-2023-0847 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-2023-0847 affect?

CVE-2023-0847 affects dash7 alliance protcol. Severity is medium (CVSS 5.3). The Sub-IoT implementation of the DASH 7 Alliance protocol has a vulnerability that can lead to an out-of-bounds write prior to implementation version 0.5.0. If the protocol has been compiled using default settings, this will only grant th

How urgent is CVE-2023-0847?

Priority 38/100. Remotely exploitable, no login, no user action

References

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