CVE-2026-18313CWE-401

CVE-2026-18313

Medium · published September 5, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
11.5
In the wild
Unconfirmed
What it is

rpcapd can allocate up to 65536 bytes per each RPCAP_MSG_UPDATEFILTER_REQ or RPCAP_MSG_STARTCAP_REQ message received from the client, but it never frees the memory, so it leaks memory even under normal use. A malicious client can cause the server to leak memory substantially faster.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00212 · 11.5th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-09-05T23:16Z
References (1)
EPSS history
Timeline
  • 07 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 05 SEP 18:51Z
    rpcapd memory leak in libpcap before 1.10.7
    cvelistv5