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Fencer Intel
medium 5.0

CVE-2012-0817 json

Memory leak in smbd in Samba 3.6.x before 3.6.3 allows remote attackers to cause a denial of service (memory and CPU consumption) by making…

published 2012-01-30 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0844

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Memory leak in smbd in Samba 3.6.x before 3.6.3 allows remote attackers to cause a denial of service (memory and CPU consumption) by making many connection requests.

Patch / fix

  • samba Debian 14, Debian 13, Debian 12 2:3.6.3-1

debian advisories DEBIAN-CVE-2012-0817

  • samba openSUSE Tumbleweed 4.5.0-1.1

opensuse advisories openSUSE-SU-2024:10069-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-0817 updated cvss 3.3

samba: DoS (smbd crash) due memory leak in management of fds for socket connections

  • Red Hat Enterprise Linux 4 samba Red Hat Enterprise Linux 5 samba, samba3x Red Hat Enterprise Linux 6 samba, samba4, samba4-dc, samba-swat, samba4-libs, samba4-pidl, +17 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.47% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.