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CVE-2009-1086

UnknownEPSS 3.47%

Last modified

CVE-2009-1086 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.

Metrics

EPSS Probability
3.47%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NlnetlabsLdns1.4.0
NlnetlabsLdns1.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-1086?
Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.
How severe is CVE-2009-1086?
Severity scoring for CVE-2009-1086 is pending analysis. The EPSS model estimates a 3.47% probability of exploitation in the next 30 days.
How do I fix CVE-2009-1086?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-1086?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST