CVE-2023-52152: mupnp/net/uri.c in mUPnP for C through 3.0.2 has an out-of-bounds read and application crash because it lacks

Q: How do I fix CVE-2023-52152?

mupnp for c: upgrade to newer than 3.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-52152 being exploited?

CVE-2023-52152 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-2023-52152 affect?

CVE-2023-52152 affects mupnp for c. Severity is high (CVSS 7.5). mupnp/net/uri.c in mUPnP for C through 3.0.2 has an out-of-bounds read and application crash because it lacks a certain host length recalculation.

Q: How urgent is CVE-2023-52152?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-52152 is a high-severity flaw (CVSS 7.5) affecting mupnp for c. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

mupnp/net/uri.c in mUPnP for C through 3.0.2 has an out-of-bounds read and application crash because it lacks a certain host length recalculation.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-125
Published	2023-12-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cybergarage

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

Am I affected?

Timeline

2023-12-28 23:15 UTCPublished CVE record published
2026-06-17 06:42 UTCUpdated Record last modified

cybergarage mupnp for c UPGRADE

Affected: <= 3.0.2

Fixed in: newer than 3.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mupnp-for-c || rpm -q mupnp-for-c || mupnp-for-c --version

2. UPGRADE to newer than 3.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mupnp-for-c

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mupnp-for-c

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-2023-52152?

mupnp for c: upgrade to newer than 3.0.2. Exact commands for each OS are on this page.

Is CVE-2023-52152 being exploited?

CVE-2023-52152 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-2023-52152 affect?

CVE-2023-52152 affects mupnp for c. Severity is high (CVSS 7.5). mupnp/net/uri.c in mUPnP for C through 3.0.2 has an out-of-bounds read and application crash because it lacks a certain host length recalculation.

How urgent is CVE-2023-52152?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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