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CVE-2006-5602: Multiple memory leaks in xsupplicant before 1.2.6, and possibly other versions, allow attackers to cause a den

31
Routine
MEDIUM 4.0UPGRADE

CVE-2006-5602 is a medium-severity flaw (CVSS 4.0) affecting xsupplicant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple memory leaks in xsupplicant before 1.2.6, and possibly other versions, allow attackers to cause a denial of service (memory consumption) via unspecified vectors.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.0 (Medium)
EPSS exploit chance1.2% (top 32%)
CISA exploited listNo
Published2006-10-28
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: xsupplicant

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Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

xsupplicant xsupplicant UPGRADE
Affected: <= 1.2.5 · 0.5 · 0.6 · 0.7 · 0.8 · 0.8b · 1.0 · 1.0.1
Fixed in: newer than 1.2.5
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy xsupplicant || rpm -q xsupplicant || xsupplicant --version
2. UPGRADE to newer than 1.2.5 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade xsupplicant
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade xsupplicant
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-2006-5602?

xsupplicant: upgrade to newer than 1.2.5. Exact commands for each OS are on this page.

Is CVE-2006-5602 being exploited?

CVE-2006-5602 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-2006-5602 affect?

CVE-2006-5602 affects xsupplicant. Severity is medium (CVSS 4.0). Multiple memory leaks in xsupplicant before 1.2.6, and possibly other versions, allow attackers to cause a denial of service (memory consumption) via unspecified vectors.

How urgent is CVE-2006-5602?

Priority 31/100. No elevated risk signals yet.

Related CVEs

References

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