What is CVE-2023-4512?

CVE-2023-4512 is a medium-severity software vulnerability (CWE-674) with a CVSS score of 5.3. CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Is CVE-2023-4512 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 0%.

What products does CVE-2023-4512 affect?

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

How do I fix CVE-2023-4512?

Apply the vendor fix in your normal patch cycle. An official patch or advisory is available. Upgrade affected products to a fixed version.

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CVE-2023-4512

MEDIUM severity · CVSS 5.3 · CWE-674

5.3CVSS MEDIUM

Summary

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Impact & exploitability

Attack vectorLocal

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactLow

Integrity impactLow

Availability impactLow

Exploit probability (EPSS)0%

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products we track (1)

Wireshark

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://gitlab.com/wireshark/wireshark/-/issues/19144 ↗

Additional information

NVD record
https://gitlab.com/wireshark/wireshark/-/issues/19144Patch
https://www.wireshark.org/security/wnpa-sec-2023-23.htmlAdvisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/