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Wireshark EUVDEUVD-2026-57744

| CVE-2026-19695 MEDIUM
Stack-based Buffer Overflow (CWE-121)
2026-08-13 GitLab GHSA-7xc8-pfc8-qj6v
Stack Overflow Buffer Overflow Denial Of Service Wireshark
4.7
CVSS 3.1 · Vendor: GitLab
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Severity by source

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

File-based local attack mandates AV:L and UI:R; CWE-121 stack overflow causes crash only, yielding C:N/I:N/A:H with unchanged scope.

3.1 AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/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
4.7 MEDIUM
qualitative

Primary rating from Vendor (GitLab).

CVSS VectorVendor: GitLab

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

Lifecycle Timeline

3
Patch available
Aug 13, 2026 - 09:15 EUVD
Analysis Generated
Aug 13, 2026 - 09:06 vuln.today
CVE Published
Aug 13, 2026 - 08:04 cve.org
MEDIUM 4.7

DescriptionCVE.org

Gammu DCT3 trace file parser crash in 4.6.0 to 4.6.7 allows denial of service

AnalysisAI

Wireshark versions 4.6.0 through 4.6.7 contain a stack-based buffer overflow (CWE-121) in the Gammu DCT3 trace file parser that allows denial of service via application crash. Exploitation is constrained to local file-based attack scenarios requiring a user to open a specially crafted DCT3 trace file, with high attack complexity adding further real-world friction. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires that the target user actively open a specially crafted Gammu DCT3 trace file using Wireshark version 4.6.0 through 4.6.7 on a local system (AV:L, UI:R). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 4.7 (Medium) accurately reflects constrained real-world risk. … 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 security advisory at https://www.wireshark.org/security/wnpa-sec-2026-90.html - the exact patched release version is not independently confirmed from available input data and should be verified directly against the advisory before deployment. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-121 – Stack-based Buffer Overflow

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Same technique Stack Overflow

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Vendor StatusVendor

SUSE

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

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EUVD-2026-57744 vulnerability details – vuln.today
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