ISC BIND 9.x before 9.7.6-P1, 9.8.x before 9.8.3-P1, 9.9.x before 9.9.1-P1, and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P1 does not properly handle resource records with a zero-length RDATA section, which allows remote DNS servers to cause a denial of service (daemon crash or data corruption) or obtain sensitive information from process memory via a crafted record.
Conclusion & alert: CVE-2012-1667 is rated High Risk (72.1/100): CVSS High severity, with high exploitation likelihood (EPSS 53.16%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.84% over the last day, indicating growing attacker interest. 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 | 2026-03-11 | 49.32% | 53.16% | +3.84% |
| 2 | 2026-02-05 | 53.73% | 49.32% | -4.41% |
| 3 | 2026-02-04 | — | 53.73% | — |
Full EPSS history (28 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.5 | 2.0 | HIGH |
|
10.0 | 7.8 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2012-1667 unimportant priority: Debian including 2 source packages (bind9, isc-dhcp), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 9. | https://security-tracker.debian.org/tracker/CVE-2012-1667 |
gentoo
|
normal | CVE-2012-1667: 1 GLSA(s) (201209-04), 1 atom(s) (net-dns/bind); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-1667 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2012-1667 |
suse
|
high | CVE-2012-1667 severity important: SUSE including 167 source package names (bind-9.10.3P4-21.1, bind-9.11.2-1.24, …), 230 product×package rows across 35 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (35 product lines)): Fixed 230. | https://www.suse.com/security/cve/CVE-2012-1667/ |
ubuntu
|
medium | CVE-2012-1667 medium priority: Ubuntu including 1 source packages (bind9), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): released 6. | https://ubuntu.com/security/CVE-2012-1667 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| isc | bind | 9.0 | cpe:2.3:a:isc:bind:9.0:*:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc1:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc2:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc3:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc4:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc5:*:*:*:*:*:* |
| isc | bind | 9.0.0 | cpe:2.3:a:isc:bind:9.0.0:rc6:*:*:*:*:*:* |
| isc | bind | 9.0.1 | cpe:2.3:a:isc:bind:9.0.1:*:*:*:*:*:*:* |
| isc | bind | 9.0.1 | cpe:2.3:a:isc:bind:9.0.1:rc1:*:*:*:*:*:* |
| isc | bind | 9.0.1 | cpe:2.3:a:isc:bind:9.0.1:rc2:*:*:*:*:*:* |
| isc | bind | 9.1 | cpe:2.3:a:isc:bind:9.1:*:*:*:*:*:*:* |
| isc | bind | 9.1.0 | cpe:2.3:a:isc:bind:9.1.0:rc1:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:*:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc1:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc2:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc3:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc4:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc5:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc6:*:*:*:*:*:* |
| isc | bind | 9.1.1 | cpe:2.3:a:isc:bind:9.1.1:rc7:*:*:*:*:*:* |
| isc | bind | 9.1.2 | cpe:2.3:a:isc:bind:9.1.2:*:*:*:*:*:*:* |
| isc | bind | 9.1.2 | cpe:2.3:a:isc:bind:9.1.2:rc1:*:*:*:*:*:* |
| isc | bind | 9.1.3 | cpe:2.3:a:isc:bind:9.1.3:*:*:*:*:*:*:* |
| isc | bind | 9.1.3 | cpe:2.3:a:isc:bind:9.1.3:rc1:*:*:*:*:*:* |
| isc | bind | 9.1.3 | cpe:2.3:a:isc:bind:9.1.3:rc2:*:*:*:*:*:* |
| isc | bind | 9.1.3 | cpe:2.3:a:isc:bind:9.1.3:rc3:*:*:*:*:*:* |
| isc | bind | 9.2 | cpe:2.3:a:isc:bind:9.2:*:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:*:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:a1:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:a2:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:a3:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:b1:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:b2:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc10:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc2:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc3:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc4:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc5:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc6:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc7:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc8:*:*:*:*:*:* |
| isc | bind | 9.2.0 | cpe:2.3:a:isc:bind:9.2.0:rc9:*:*:*:*:*:* |
| isc | bind | 9.2.1 | cpe:2.3:a:isc:bind:9.2.1:*:*:*:*:*:*:* |
| isc | bind | 9.2.1 | cpe:2.3:a:isc:bind:9.2.1:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.1 | cpe:2.3:a:isc:bind:9.2.1:rc2:*:*:*:*:*:* |
| isc | bind | 9.2.2 | cpe:2.3:a:isc:bind:9.2.2:*:*:*:*:*:*:* |
| isc | bind | 9.2.2 | cpe:2.3:a:isc:bind:9.2.2:p2:*:*:*:*:*:* |
| isc | bind | 9.2.2 | cpe:2.3:a:isc:bind:9.2.2:p3:*:*:*:*:*:* |
| isc | bind | 9.2.2 | cpe:2.3:a:isc:bind:9.2.2:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.3 | cpe:2.3:a:isc:bind:9.2.3:*:*:*:*:*:*:* |
| isc | bind | 9.2.3 | cpe:2.3:a:isc:bind:9.2.3:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.3 | cpe:2.3:a:isc:bind:9.2.3:rc2:*:*:*:*:*:* |
| isc | bind | 9.2.3 | cpe:2.3:a:isc:bind:9.2.3:rc3:*:*:*:*:*:* |
| isc | bind | 9.2.3 | cpe:2.3:a:isc:bind:9.2.3:rc4:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:*:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc2:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc3:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc4:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc5:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc6:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc7:*:*:*:*:*:* |
| isc | bind | 9.2.4 | cpe:2.3:a:isc:bind:9.2.4:rc8:*:*:*:*:*:* |
| isc | bind | 9.2.5 | cpe:2.3:a:isc:bind:9.2.5:*:*:*:*:*:*:* |
| isc | bind | 9.2.5 | cpe:2.3:a:isc:bind:9.2.5:b2:*:*:*:*:*:* |
| isc | bind | 9.2.5 | cpe:2.3:a:isc:bind:9.2.5:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.6 | cpe:2.3:a:isc:bind:9.2.6:*:*:*:*:*:*:* |
| isc | bind | 9.2.6 | cpe:2.3:a:isc:bind:9.2.6:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.7 | cpe:2.3:a:isc:bind:9.2.7:*:*:*:*:*:*:* |
| isc | bind | 9.2.7 | cpe:2.3:a:isc:bind:9.2.7:rc1:*:*:*:*:*:* |
| isc | bind | 9.2.7 | cpe:2.3:a:isc:bind:9.2.7:rc2:*:*:*:*:*:* |
| isc | bind | 9.2.7 | cpe:2.3:a:isc:bind:9.2.7:rc3:*:*:*:*:*:* |
| isc | bind | 9.2.8 | cpe:2.3:a:isc:bind:9.2.8:*:*:*:*:*:*:* |
| isc | bind | 9.2.9 | cpe:2.3:a:isc:bind:9.2.9:*:*:*:*:*:*:* |
| isc | bind | 9.2.9 | cpe:2.3:a:isc:bind:9.2.9:rc1:*:*:*:*:*:* |
| isc | bind | 9.3 | cpe:2.3:a:isc:bind:9.3:*:*:*:*:*:*:* |
| isc | bind | 9.3.0 | cpe:2.3:a:isc:bind:9.3.0:*:*:*:*:*:*:* |
| isc | bind | 9.3.0 | cpe:2.3:a:isc:bind:9.3.0:b2:*:*:*:*:*:* |
| isc | bind | 9.3.0 | cpe:2.3:a:isc:bind:9.3.0:b3:*:*:*:*:*:* |
| isc | bind | 9.3.0 | cpe:2.3:a:isc:bind:9.3.0:b4:*:*:*:*:*:* |