Buffer overflow in the SMB1 packet chaining implementation in the chain_reply function in process.c in smbd in Samba 3.0.x before 3.3.13 allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted field in a packet.
Conclusion & alert: CVE-2010-2063 is rated High Exploit Risk (80.6/100): CVSS High severity, with high exploitation likelihood (EPSS 77.54%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 16860 | exploit_db | edb | 2010-09-04 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-17 | 76.58% | 77.54% | +0.97% |
| 2 | 2026-02-21 | 75.40% | 76.58% | +1.18% |
| 3 | 2025-11-11 | — | 75.40% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
high | CVE-2010-2063 high priority: Debian including 1 source packages (samba), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-2063 |
gentoo
|
high | CVE-2010-2063: 1 GLSA(s) (201206-22), 1 atom(s) (net-fs/samba); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-2063 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2010-2063 |
suse
|
high | CVE-2010-2063 severity important: SUSE including 636 source package names (cifs-mount-3.2.7-11.20.1, ctdb-4.10.5+git.129.35f7bb6e177-1.1, …), 1005 product×package rows across 32 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (32 product lines)): Fixed 1005. | https://www.suse.com/security/cve/CVE-2010-2063/ |
ubuntu
|
high | CVE-2010-2063 high priority: Ubuntu including 1 source packages (samba), 6 status rows across 6 suites (dapper, hardy, jaunty, karmic, lucid, upstream): not-affected 3, released 3. | https://ubuntu.com/security/CVE-2010-2063 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| samba | samba | >= 3.0.0, <= 3.3.12 | cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 6.06 | cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 8.04 | cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 9.04 | cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* |
| debian | debian_linux | 5.0 | cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* |