How severe is CVE-2012-3429?

CVE-2012-3429 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-3429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3429?

CVE-2012-3429 primarily affects Martin Nagy Bind-dyndb-ldap. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3429?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3429 published?

CVE-2012-3429 was published on 2012-08-07 and last updated on 2026-06-16.

CVE-2012-3429

CVE-2012-3429 is a medium-severity vulnerability in Martin Nagy Bind-dyndb-ldap with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Martin Nagy Bind-dyndb-ldap
Published: 2012-08-07
Last modified: 2026-06-16

Description

The dns_to_ldap_dn_escape function in src/ldap_convert.c in bind-dyndb-ldap 1.1.0rc1 and earlier does not properly escape distinguished names (DN) for LDAP queries, which allows remote DNS servers to cause a denial of service (named service hang) via a "$" character in a DN in a DNS query.

Frequently asked questions

What is CVE-2012-3429?: The dns_to_ldap_dn_escape function in src/ldap_convert.c in bind-dyndb-ldap 1.1.0rc1 and earlier does not properly escape distinguished names (DN) for LDAP queries, which allows remote DNS servers to cause a denial of service (named service hang) via a "$" character in a DN in a DNS query.
How severe is CVE-2012-3429?: CVE-2012-3429 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-3429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3429?: CVE-2012-3429 primarily affects Martin Nagy Bind-dyndb-ldap. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3429?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3429 published?: CVE-2012-3429 was published on 2012-08-07 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:martin_nagy:bind-dyndb-ldap:*:rc1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.1.0:a1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.1.0:b:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.0.0:b1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:a1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:a2:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:b1:*:*:*:*:*:*
cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:b2:*:*:*:*:*:*

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