6.4

CVE-2009-1086: nlnetlabs ldns Resource Management Errors

CVSS: 6.4v2.0MediumModified
AliasesDEBIAN-CVE-2009-1086DSA-1795-1
Published 25-03-2009Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2009-1086 is a medium (CVSS 6.4) Resource Management Errors vulnerability in nlnetlabs ldns. EPSS estimates a 3.47% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v2.0 (NVD)
EPSS score
3.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-03-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.47%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • ldns< 1.5.1-1 | < 1.4.0-1+lenny1
Nlnetlabs1 product

2 vendors · 2 products

References

9 links