gnutls: Double-free while decoding crafted X.509 certificates
Published Mar 24, 2017
9.8
CRITICALCVSS 3.0
EPSS 32.75%
Description
Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.
Affected products
No data.
No data.
Red Hat Enterprise Linux 7
gnutls-0:3.3.26-9.el7
Fixed · RHSA-2017:2292
Red Hat Enterprise Linux 5
gnutls
Not affected
Red Hat Enterprise Linux 6
gnutls
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | gnutls-0:3.3.26-9.el7 | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux 5 | gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 6 | gnutls | Not affected | n/a |
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 32.75% (0.32754) | 98.30th | v5 (v2026.06.15) |
| Sep 22, 2026 | 32.75% (0.32754) | 98.27th | v5 (v2026.06.15) |
| Sep 21, 2026 | 31.53% (0.31529) | 98.25th | v5 (v2026.06.15) |
| Sep 6, 2026 | 32.75% (0.32754) | 98.23th | v5 (v2026.06.15) |
| Sep 5, 2026 | 31.53% (0.31529) | 98.21th | v5 (v2026.06.15) |
| Aug 30, 2026 | 32.75% (0.32754) | 98.22th | v5 (v2026.06.15) |
| Aug 28, 2026 | 31.53% (0.31529) | 98.20th | v5 (v2026.06.15) |
| Aug 24, 2026 | 32.75% (0.32754) | 98.21th | v5 (v2026.06.15) |
| Aug 23, 2026 | 31.53% (0.31529) | 98.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 32.75% (0.32754) | 98.12th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.94% (0.05940) | 89.69th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.27% (0.18274) | 92.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.94% (0.05940) | 89.94th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.23% (0.01225) | 85.12th | v3 (v2023.03.01) |
| Jun 28, 2023 | 1.69% (0.01692) | 86.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.38% (0.02381) | 88.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.59% (0.02590) | 55.26th | v1 |
| Jan 6, 2022 | 2.59% (0.02590) | 54.82th | v1 |
| Sep 1, 2021 | 2.59% (0.02590) | 79.14th | v1 |
| Apr 14, 2021 | 2.59% (0.02590) | 0.00th | v1 |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/10/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/11/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95370 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037576 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2292 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-5334 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1411835 Issue Tracking
- https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://gnutls.org/security.html#GNUTLS-SA-2017-1 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-5334
- https://security.gentoo.org/glsa/201702-04 vendor-advisoryx_refsource_GENTOOPatchThird Party AdvisoryVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-5334
Change history (0)
No recorded changes yet.