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CVE-2023-34615: An issue was discovered JSONUtil thru 5.0 allows attackers to cause a denial of service or other unspecified i

50
This week
HIGH 7.5REMOTEUPGRADE

CVE-2023-34615 is a high-severity flaw (CVSS 7.5) affecting jsonutil. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered JSONUtil thru 5.0 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.

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 score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.7% (top 46%)
CISA exploited listNo
WeaknessCWE-787
Published2023-06-14
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: pwall

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

pwall jsonutil UPGRADE
Affected: <= 5.0
Fixed in: newer than 5.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jsonutil || rpm -q jsonutil || jsonutil --version
2. UPGRADE to newer than 5.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jsonutil
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jsonutil
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-2023-34615?

jsonutil: upgrade to newer than 5.0. Exact commands for each OS are on this page.

Is CVE-2023-34615 being exploited?

CVE-2023-34615 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-2023-34615 affect?

CVE-2023-34615 affects jsonutil. Severity is high (CVSS 7.5). An issue was discovered JSONUtil thru 5.0 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.

How urgent is CVE-2023-34615?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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