gnutls: unknown hash algorithm NULL pointer derefence [GNUTLS-SA-2006-2]
Published May 24, 2010
5.0
MEDIUMCVSS 2.0
EPSS 1.54%
Description
The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before 1.4.2 allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm that is not supported by GnuTLS, which triggers a NULL pointer dereference.
Affected products
No data.
- ≤ 1.4.1
- 1.0.16
- 1.0.17
- 1.0.18
- 1.0.19
- 1.0.20
- 1.0.21
- 1.0.22
- 1.0.23
- 1.0.24
- 1.0.25
- 1.1.13
- 1.1.14
- 1.1.15
- 1.1.16
- 1.1.17
- 1.1.18
- 1.1.19
- 1.1.20
- 1.1.21
- 1.1.22
- 1.1.23
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.8.1a1
- 1.2.9
- 1.2.10
- 1.2.11
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.5
- 1.4.0
No data.
Red Hat Enterprise Linux 5
gnutls-0:1.4.1-7.el5_8.1
Fixed · RHBA-2012:0319
Red Hat Enterprise Linux 4
gnutls
Not affected
Red Hat Enterprise Linux 6
gnutls
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gnutls-0:1.4.1-7.el5_8.1 | Fixed | RHBA-2012:0319 |
| Red Hat Enterprise Linux 4 | gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 6 | gnutls | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue was addressed in Red Hat Enterprise Linux 5 via RHBA-2012:0319: https://rhn.redhat.com/errata/RHBA-2012-0319.html It did not affect versions of gnutls as shipped with Red Hat Enterprise Linux 4 and 6.
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 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.54% (0.01545) | 74.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01545) | 71.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00288) | 50.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00296) | 70.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00296) | 68.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00296) | 64.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.14% (0.01136) | 58.87th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.11% (0.01108) | 54.42th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (7)
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-August/001190.html mailing-listx_refsource_MLIST
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-August/001192.html mailing-listx_refsource_MLISTPatch
- http://www.gnu.org/software/gnutls/security.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2006-7239 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=595229 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2006-7239
- https://www.cve.org/CVERecord?id=CVE-2006-7239
| Link | Providers | Tags |
|---|---|---|
| http://lists.gnupg.org/pipermail/gnutls-dev/2006-August/001190.html | mailing-listx_refsource_MLIST | |
| http://lists.gnupg.org/pipermail/gnutls-dev/2006-August/001192.html | mailing-listx_refsource_MLISTPatch | |
| http://www.gnu.org/software/gnutls/security.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2006-7239 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=595229 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2006-7239 | ||
| https://www.cve.org/CVERecord?id=CVE-2006-7239 |
Change history (0)
No recorded changes yet.