<Vulnerability name="CVE-2026-76889">
    <DocumentDistribution xml:lang="en">Copyright © 2012 Red Hat, Inc. All rights reserved.</DocumentDistribution>
    <ThreatSeverity>Moderate</ThreatSeverity>
    <PublicDate>2026-08-19T22:35:39</PublicDate>
    <Bugzilla id="2520083" url="https://bugzilla.redhat.com/show_bug.cgi?id=2520083" xml:lang="en:us">
wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
    </Bugzilla>
    <CVSS3 status="draft">
        <CVSS3BaseScore>4.7</CVSS3BaseScore>
        <CVSS3ScoringVector>CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H</CVSS3ScoringVector>
    </CVSS3>
    <CWE>CWE-617</CWE>
    <Details xml:lang="en:us" source="Mitre">
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
    </Details>
    <Details xml:lang="en:us" source="Red Hat">
A flaw was found in Wireshark. A local attacker could exploit a crash in the UMTS FP protocol dissector. This vulnerability, which requires user interaction, leads to a denial of service, making the application unavailable.
    </Details>
    <Statement xml:lang="en:us">
A flaw was found in the UMTS FP dissector in Wireshark versions 4.4.0 through 4.4.17 and 4.6.0 through 4.6.7. Red Hat Enterprise Linux 6, 7, 8, and 9 ship Wireshark versions prior to the affected range and are not vulnerable. Red Hat Enterprise Linux 10 and Red Hat In-Vehicle OS ship an affected version of Wireshark.
    </Statement>
    <Mitigation xml:lang="en:us">
Do not open untrusted packet capture files or capture traffic from untrusted networks with Wireshark.
    </Mitigation>
    <PackageState cpe="cpe:/o:redhat:enterprise_linux:10">
        <ProductName>Red Hat Enterprise Linux 10</ProductName>
        <FixState>Fix deferred</FixState>
        <PackageName>wireshark</PackageName>
    </PackageState>
    <PackageState cpe="cpe:/o:redhat:enterprise_linux:6">
        <ProductName>Red Hat Enterprise Linux 6</ProductName>
        <FixState>Not affected</FixState>
        <PackageName>wireshark</PackageName>
    </PackageState>
    <PackageState cpe="cpe:/o:redhat:enterprise_linux:7">
        <ProductName>Red Hat Enterprise Linux 7</ProductName>
        <FixState>Not affected</FixState>
        <PackageName>wireshark</PackageName>
    </PackageState>
    <PackageState cpe="cpe:/o:redhat:enterprise_linux:8">
        <ProductName>Red Hat Enterprise Linux 8</ProductName>
        <FixState>Not affected</FixState>
        <PackageName>wireshark</PackageName>
    </PackageState>
    <PackageState cpe="cpe:/o:redhat:enterprise_linux:9">
        <ProductName>Red Hat Enterprise Linux 9</ProductName>
        <FixState>Not affected</FixState>
        <PackageName>wireshark</PackageName>
    </PackageState>
    <References xml:lang="en:us">
https://www.cve.org/CVERecord?id=CVE-2026-76889
https://nvd.nist.gov/vuln/detail/CVE-2026-76889
https://gitlab.com/wireshark/wireshark/-/work_items/21413
https://www.wireshark.org/security/wnpa-sec-2026-66.html
    </References>
</Vulnerability>