CVE-2018-9261
CVSS v3
7.5
HIGH
EPSS Score
2.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.
Technical details
- Published
- 2018-04-04
Frequently asked questions
What is CVE-2018-9261?
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.
Is CVE-2018-9261 actively exploited?
Active exploitation of CVE-2018-9261 has not been confirmed. Its EPSS score was 2.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-9261?
CVE-2018-9261 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-9261 affecting your environment?
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