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
Published Mar 25, 2009
6.4
MEDIUMCVSS 2.0
EPSS 3.47%
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.
Affected products
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:L/Au:N/C:N/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.47% (0.03473) | 88.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.47% (0.03473) | 87.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.40% (0.03405) | 86.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 11.17% (0.11170) | 95.42th | v3 (v2023.03.01) |
| Apr 7, 2024 | 11.17% (0.11170) | 95.07th | v3 (v2023.03.01) |
| Sep 23, 2023 | 13.31% (0.13315) | 94.89th | v3 (v2023.03.01) |
| Jun 28, 2023 | 14.55% (0.14546) | 94.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.16% (0.16155) | 95.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.47% (0.05470) | 89.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.47% (0.05470) | 89.00th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.47% (0.05470) | 76.60th | v2 (v2022.01.01) |
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/35013 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35065 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2009/dsa-1795 vendor-advisoryx_refsource_DEBIAN
- http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232 x_refsource_MISC
- http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2009/03/24/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/34233 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html | vendor-advisoryx_refsource_SUSE | |
| http://secunia.com/advisories/35013 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/35065 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2009/dsa-1795 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232 | x_refsource_MISC | |
| http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2009/03/24/4 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/34233 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.