CVE-2023-5371

MEDIUM 5.3

Memory Allocation with Excessive Size Value in Wireshark

CVSS Score

5.3

EPSS Score

0.1%

EPSS Percentile

16th

RTPS dissector memory leak in Wireshark 4.0.0 to 4.0.8 and 3.6.0 to 3.6.16 allows denial of service via packet injection or crafted capture file

CWE	CWE-789
Vendor	wireshark foundation
Product	wireshark
Published	Oct 4, 2023
Last Updated	Mar 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Wireshark Foundation / Wireshark

4.0.0 < 4.0.9 3.6.0 < 3.6.17

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wireshark.org: https://www.wireshark.org/security/wnpa-sec-2023-27.html gitlab.com: https://gitlab.com/wireshark/wireshark/-/issues/19322 security.gentoo.org: https://security.gentoo.org/glsa/202402-09 lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/34DBP5P2RHQ7XUABPANYYMOGV5KS6VEP/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/MADSCHKZSCKQ5NLIX3UMOIJD2JZ65L4V/