CVE-2023-4511
wireshark: DoS (infinite loop) via packet injection or crafted capture file
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 24, 2023
Updated · August 7, 2026
Description
A denial of service vulnerability was found in Wireshark due to an infinite loop in the Bluetooth (BT) SDP dissector. Exploiting this flaw involves injecting a malformed packet onto the wire or enticing a victim to read a corrupted packet trace file, resulting in a crash of the BT SDP dissector. This issue may allow a remote attacker to perform a DoS attack by consuming all available system resources, leading to excessive CPU resource consumption.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')