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Wireshark CVE-2026-19696

| EUVDEUVD-2026-57743 MEDIUM
Out-of-bounds Write (CWE-787)
2026-08-13 GitLab GHSA-5rr4-x8fc-q7fc
Memory Corruption Buffer Overflow Denial Of Service Microsoft Wireshark
6.6
CVSS 3.1 · Vendor: GitLab
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Severity by source

Vendor (GitLab) PRIMARY
6.6 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
vuln.today AI
6.6 MEDIUM

Local file-open trigger (AV:L), no privilege required since any user can open files (PR:N), user must open the crafted file (UI:R), primary impact is crash/DoS (A:H) with minor memory-side impacts (C:L/I:L).

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
SUSE
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Red Hat
6.6 MEDIUM
qualitative

Primary rating from Vendor (GitLab).

CVSS VectorVendor: GitLab

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High

Lifecycle Timeline

3
Patch available
Aug 13, 2026 - 09:15 EUVD
Analysis Generated
Aug 13, 2026 - 09:05 vuln.today
CVE Published
Aug 13, 2026 - 08:04 cve.org
MEDIUM 6.6

DescriptionCVE.org

Ixia IxVeriWave and Vector Informatik BLF file parser crashes in 4.6.0 to 4.6.7 allows denial of service on Windows

AnalysisAI

Wireshark 4.6.0 through 4.6.7 on Windows crashes when parsing malformed Ixia IxVeriWave capture files or Vector Informatik BLF files, resulting in denial of service via an out-of-bounds write (CWE-787). The vulnerability requires a user to open a crafted file, making it a user-assisted local attack. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires the target to be running Wireshark version 4.6.0 through 4.6.7 specifically on Windows. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS vector AV:L/AC:L/PR:N/UI:R reflects local, user-assisted exploitation with no privilege requirement - an attacker must deliver a crafted file and convince the user to open it in Wireshark. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Wireshark to a version beyond 4.6.7 per the vendor advisory at https://www.wireshark.org/security/wnpa-sec-2026-82.html - the exact patched version should be confirmed from that advisory, as a specific fix version was not enumerated in the available intelligence data. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-787 – Out-of-bounds Write

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Same technique Memory Corruption

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CVE-2015-5119 CRITICAL POC
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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
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CVE-2014-0322 HIGH POC
8.8
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7.8

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise High Performance Computing 12 Not-Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Not-Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 Not-Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Not-Affected

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CVE-2026-19696 vulnerability details – vuln.today
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