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Fencer Vulns
critical 10.0

CVE-2007-2446 in the critical feed json

Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through 3.0.25rc3 allow remote attackers to execute arbitrar…

published 2007-05-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2441

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
77.7%
EPSS 77.7% chance of exploitation in 30 days, percentile 99.5%
public exploits
9
Metasploit, Exploit-DB

Summary

Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through 3.0.25rc3 allow remote attackers to execute arbitrary code via crafted MS-RPC requests involving (1) DFSEnum (netdfs_io_dfs_EnumInfo_d), (2) RFNPCNEX (smb_io_notify_option_type_data), (3) LsarAddPrivilegesToAccount (lsa_io_privilege_set), (4) NetSetFileSecurity (sec_io_acl), or (5) LsarLookupSids/LsarLookupSids2 (lsa_io_trans_names).

Patch / fix

  • samba Debian 14, Debian 13, Debian 12 3.0.25-1

debian advisories DEBIAN-CVE-2007-2446

  • samba RHEL 2.1 2.2.12-1.21as.6
  • samba RHEL 3 3.0.9-1.3E.13.2
  • samba RHEL 4 3.0.10-1.4E.12.2
  • samba RHEL 5 3.0.23c-2.el5.2.0.2
  • samba-swat RHEL 2.1 2.2.12-1.21as.6
  • samba-swat RHEL 3 3.0.9-1.3E.13.2
  • samba-swat RHEL 4 3.0.10-1.4E.12.2
  • samba-swat RHEL 5 3.0.23c-2.el5.2.0.2

red hat advisories RHSA-2007:0354

  • cifs-utils openSUSE Tumbleweed 6.13-1.3
  • samba openSUSE Tumbleweed 4.14.6+git.182.2205d5224e3-1.1

opensuse advisories openSUSE-SU-2024:10683-1openSUSE-SU-2024:11365-1

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-2007-2446 updated

samba heap overflows

  • Red Hat Desktop version 3 samba 3.0.9-1.3E.13.2, samba-swat 3.0.9-1.3E.13.2, samba-client 3.0.9-1.3E.13.2, samba-common 3.0.9-1.3E.13.2 Red Hat Enterprise Linux (v. 5 server) samba 3.0.23c-2.el5.2.0.2, samba-swat 3.0.23c-2.el5.2.0.2, samba-client 3.0.23c-2.el5.2.0.2, samba-common 3.0.23c-2.el5.2.0.2 Red Hat Enterprise Linux AS (Advanced Server) version 2.1 samba 2.2.12-1.21as.6, samba-swat 2.2.12-1.21as.6, samba-client 2.2.12-1.21as.6, samba-common 2.2.12-1.21as.6 Red Hat Enterprise Linux AS version 3 samba 3.0.9-1.3E.13.2, samba-swat 3.0.9-1.3E.13.2, samba-client 3.0.9-1.3E.13.2, samba-common 3.0.9-1.3E.13.2 Red Hat Enterprise Linux AS version 4 samba 3.0.10-1.4E.12.2, samba-swat 3.0.10-1.4E.12.2, samba-client 3.0.10-1.4E.12.2, samba-common 3.0.10-1.4E.12.2 Red Hat Enterprise Linux Desktop (v. 5 client) samba 3.0.23c-2.el5.2.0.2, samba-swat 3.0.23c-2.el5.2.0.2, samba-client 3.0.23c-2.el5.2.0.2, samba-common 3.0.23c-2.el5.2.0.2
    +8 more products
    Red Hat Enterprise Linux Desktop version 4 samba 3.0.10-1.4E.12.2, samba-swat 3.0.10-1.4E.12.2, samba-client 3.0.10-1.4E.12.2, samba-common 3.0.10-1.4E.12.2 Red Hat Enterprise Linux ES version 2.1 samba 2.2.12-1.21as.6, samba-swat 2.2.12-1.21as.6, samba-client 2.2.12-1.21as.6, samba-common 2.2.12-1.21as.6 Red Hat Enterprise Linux ES version 3 samba 3.0.9-1.3E.13.2, samba-swat 3.0.9-1.3E.13.2, samba-client 3.0.9-1.3E.13.2, samba-common 3.0.9-1.3E.13.2 Red Hat Enterprise Linux ES version 4 samba 3.0.10-1.4E.12.2, samba-swat 3.0.10-1.4E.12.2, samba-client 3.0.10-1.4E.12.2, samba-common 3.0.10-1.4E.12.2 Red Hat Enterprise Linux WS version 2.1 samba 2.2.12-1.21as.6, samba-swat 2.2.12-1.21as.6, samba-client 2.2.12-1.21as.6, samba-common 2.2.12-1.21as.6 Red Hat Enterprise Linux WS version 3 samba 3.0.9-1.3E.13.2, samba-swat 3.0.9-1.3E.13.2, samba-client 3.0.9-1.3E.13.2, samba-common 3.0.9-1.3E.13.2 Red Hat Enterprise Linux WS version 4 samba 3.0.10-1.4E.12.2, samba-swat 3.0.10-1.4E.12.2, samba-client 3.0.10-1.4E.12.2, samba-common 3.0.10-1.4E.12.2 Red Hat Linux Advanced Workstation 2.1 samba 2.2.12-1.21as.6, samba-swat 2.2.12-1.21as.6, samba-client 2.2.12-1.21as.6, samba-common 2.2.12-1.21as.6
    fixed: vendor fix RHSA-2007:0354

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

Timeline

  1. First public exploit (Metasploit exploit/linux/samba/lsa_transnames_heap)
  2. Published

Exploit prediction

77.66% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.