Heap-based buffer overflow in process.c in smbd in Samba 3.0, as used in the file-sharing service on the BlackBerry PlayBook tablet before 2.0.0.7971 and other products, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a Batched (aka AndX) request that triggers infinite recursion.
Conclusion & alert: CVE-2012-0870 is rated Moderate Risk (60.8/100): CVSS High severity, with high exploitation likelihood (EPSS 46.88%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-03-30 | 53.35% | 46.88% | -6.48% |
| 2 | 2025-12-07 | 66.78% | 53.35% | -13.43% |
| 3 | 2025-12-01 | — | 66.78% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.9 | 2.0 | HIGH |
|
5.5 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-0870 not yet assigned 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-2012-0870 |
gentoo
|
high | CVE-2012-0870: 1 GLSA(s) (201206-22), 1 atom(s) (net-fs/samba); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0870 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2012-0870 |
suse
|
high | CVE-2012-0870 severity important: SUSE including 626 source package names (ctdb-4.10.5+git.129.35f7bb6e177-1.1, ctdb-4.22.3+git.401.c70158430cc-160000.2.2, …), 1015 product×package rows across 33 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (33 product lines)): Fixed 1015. | https://www.suse.com/security/cve/CVE-2012-0870/ |
ubuntu
|
high | CVE-2012-0870 high priority: Ubuntu including 1 source packages (samba), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 4, released 2. | https://ubuntu.com/security/CVE-2012-0870 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| samba | samba | 3.0.0 | cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:* |
| rim | blackberry_playbook_tablet | — | cpe:2.3:h:rim:blackberry_playbook_tablet:-:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | <= 2.0 | cpe:2.3:o:rim:blackberry_playbook_os:*:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0 | cpe:2.3:o:rim:blackberry_playbook_os:1.0:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.3 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.3:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.5 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.5:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.6 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.6:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.7 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.7:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.7.2942 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.7.2942:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.7.3312 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.7.3312:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.8.4985 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.8.4985:*:*:*:*:*:*:* |
| rim | blackberry_playbook_os | 1.0.8.6067 | cpe:2.3:o:rim:blackberry_playbook_os:1.0.8.6067:*:*:*:*:*:*:* |