CVE-2023-4513

Missing Release of Memory after Effective Lifetime in Wireshark

BT SDP dissector memory leak in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file

Affected

Wireshark Foundation · Wireshark

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 GITLAB

5.3 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS

0.51% chance of exploitation in the next 30 days, 43rd percentile

Published

2023-08-24

Updated

2026-03-27

Proof-of-concept exploits (1)

• https://gitlab.com/wireshark/wireshark/-/issues/19259

Security advisories

• https://www.wireshark.org/security/wnpa-sec-2023-25.html

References

• CVE Record
• NVD entry