Medium [CVE-2026-19695] Stack-based Buffer Overflow in Wireshark
This medium-severity Red Hat Linux advisory covers CVE-2026-19695.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
Gammu DCT3 trace file parser crash in 4.6.0 to 4.6.7 allows denial of service This issue occurs when malformed packets are decoded from a packet capture file, causing a stack-based buffer overflow, resulting in a denial of service. This issue will cause a crash in Wireshark, with no evidence of arbitrary code execution.
This flaw can only be exploited when a malformed packet capture file is processed. Due to these reasons, this vulnerability has been rated with a moderate severity.
Red Hat severity: Moderate — CVSS 4.7 (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-121.
Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
Mitigation checklist
- To mitigate this vulnerability, do not open untrusted capture files.
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
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