gnutls: dane_query_tlsa() CVE-2013-4466 fix off-by-one
Published Nov 19, 2013
5.0
MEDIUMCVSS 2.0
EPSS 1.92%
Description
Off-by-one error in the dane_raw_tlsa in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.16 and 3.2.x before 3.2.6 allows remote servers to cause a denial of service (memory corruption) via a response with more than four DANE entries. NOTE: this issue is due to an incomplete fix for CVE-2013-4466.
Affected products
No data.
Configuration 1
Configuration 2
- 3.1.0
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.1.11
- 3.1.12
- 3.1.13
- 3.1.14
- 3.1.15
No data.
Red Hat Enterprise Linux 5
gnutls
Not affected
Red Hat Enterprise Linux 6
gnutls
Not affected
Red Hat Enterprise Linux 6
mingw32-gnutls
Not affected
Red Hat Enterprise Linux 7
gnutls
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 6 | gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 6 | mingw32-gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 7 | gnutls | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include support for DANE protocol.
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:N/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 2, 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 2, 2026 | 1.92% (0.01920) | 79.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.92% (0.01920) | 77.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.34% (0.00337) | 54.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.29% (0.00295) | 70.09th | v3 (v2023.03.01) |
| May 24, 2024 | 0.15% (0.00155) | 51.74th | v3 (v2023.03.01) |
| May 10, 2024 | 0.13% (0.00129) | 47.45th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.10% (0.00103) | 40.64th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.09% (0.00093) | 37.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00295) | 64.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
References (7)
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00064.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2013/10/31/4 mailing-listx_refsource_MLISTPatch
- https://access.redhat.com/security/cve/CVE-2013-4487 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1025637 Issue Tracking
- https://gitorious.org/gnutls/gnutls/commit/0dd5529509e46b11d5c0f3f26f99294e0e5fa6dc x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2013-4487
- https://www.cve.org/CVERecord?id=CVE-2013-4487
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2013-11/msg00064.html | vendor-advisoryx_refsource_SUSE | |
| http://www.openwall.com/lists/oss-security/2013/10/31/4 | mailing-listx_refsource_MLISTPatch | |
| https://access.redhat.com/security/cve/CVE-2013-4487 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1025637 | Issue Tracking | |
| https://gitorious.org/gnutls/gnutls/commit/0dd5529509e46b11d5c0f3f26f99294e0e5fa6dc | x_refsource_CONFIRMExploitPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4487 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4487 |
Change history (0)
No recorded changes yet.