What is CVE-2018-9273?

CVE-2018-9273 is a high-severity software vulnerability (CWE-772) with a CVSS score of 7.5. In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-pcp.c has a memory leak.

Is CVE-2018-9273 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2018-9273 affect?

Tracked products affected include Wireshark. Check the version you run to see whether it is affected.

How do I fix CVE-2018-9273?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

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CVE-2018-9273

HIGH severity · CVSS 7.5 · CWE-772

7.5CVSS HIGH

Summary

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-pcp.c has a memory leak.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)2%

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Wireshark

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14488Advisory
https://www.wireshark.org/security/wnpa-sec-2018-24.htmlAdvisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1f8f1456f1e73b6c09e50a64749e43413ac12df7
https://www.debian.org/security/2018/dsa-4217Advisory