Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Resource Record (RR) with an unknown type containing input that is longer than a specified length
Published Nov 4, 2011
6.8
MEDIUMCVSS 2.0
EPSS 4.11%
Description
Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Resource Record (RR) with an unknown type containing input that is longer than a specified length.
Affected products
No data.
- ≤ 1.6.10
- 0.50
- 0.60
- 0.65
- 0.66
- 0.70
- 1.0.0
- 1.1.0
- 1.2.0
- 1.2.1
- 1.2.2
- 1.3
- 1.4.0
- 1.4.1
- 1.5.0
- 1.5.1
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
- 1.6.8
- 1.6.9
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.11% (0.04106) | 90.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.16% (0.04159) | 89.53th | v5 (v2026.06.15) |
| May 6, 2026 | 5.21% (0.05210) | 89.98th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.07% (0.04066) | 87.78th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.32% (0.10322) | 94.96th | v3 (v2023.03.01) |
| Jun 24, 2024 | 13.07% (0.13066) | 95.55th | v3 (v2023.03.01) |
| May 4, 2024 | 11.40% (0.11396) | 95.18th | v3 (v2023.03.01) |
| Nov 23, 2023 | 10.13% (0.10128) | 94.35th | v3 (v2023.03.01) |
| Jun 4, 2023 | 9.81% (0.09815) | 93.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.63% (0.08626) | 93.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.54% (0.07544) | 92.83th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07544) | 92.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.54% (0.07544) | 81.06th | v2 (v2022.01.01) |
References (11)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068091.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068201.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068239.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00008.html vendor-advisoryx_refsource_SUSE
- http://nlnetlabs.nl/svn/ldns/tags/release-1.6.11/Changelog x_refsource_CONFIRM
- http://seclists.org/oss-sec/2011/q3/503 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2011/q3/542 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/46470 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/46476 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=403 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/49748 vdb-entryx_refsource_BID
Change history (0)
No recorded changes yet.