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CVE-2024-45167: An issue was discovered in UCI IDOL 2 (aka uciIDOL or IDOL2) through 2.12

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This week
CRITICAL 9.8REMOTEUPGRADE

CVE-2024-45167 is a critical-severity flaw (CVSS 9.8) affecting idol2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in UCI IDOL 2 (aka uciIDOL or IDOL2) through 2.12. Due to improper input validation, improper deserialization, and improper restriction of operations within the bounds of a memory buffer, IDOL2 is vulnerable to Denial-of-Service (DoS) attacks and possibly remote code execution. A certain XmlMessage document causes 100% CPU consumption.

Why this priority

  • Critical severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 32%)
CISA exploited listNo
WeaknessCWE-20
Published2024-08-22
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: uci

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

Am I affected?

Timeline

uci idol2 UPGRADE
Affected: <= 2.12
Fixed in: newer than 2.12
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy idol2 || rpm -q idol2 || idol2 --version
2. UPGRADE to newer than 2.12 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade idol2
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade idol2
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-2024-45167?

idol2: upgrade to newer than 2.12. Exact commands for each OS are on this page.

Is CVE-2024-45167 being exploited?

CVE-2024-45167 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-2024-45167 affect?

CVE-2024-45167 affects idol2. Severity is critical (CVSS 9.8). An issue was discovered in UCI IDOL 2 (aka uciIDOL or IDOL2) through 2.12. Due to improper input validation, improper deserialization, and improper restriction of operations within the bounds of a memory buffer, IDOL2 is vulnerable to Denia

How urgent is CVE-2024-45167?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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