GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and…
Priority LOW 38CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 6 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.
Why it matters now
EPSS 0.02862 86th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 6 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2017:2292 Released 2017-08-01 · Red Hat rating Moderategnutls security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) gnutls-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7, gnutls-utils-3.3.26-9.el7
- Red Hat Enterprise Linux Client Optional (v. 7) gnutls-c++-3.3.26-9.el7, gnutls-devel-3.3.26-9.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) gnutls-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7, gnutls-utils-3.3.26-9.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) gnutls-c++-3.3.26-9.el7, gnutls-devel-3.3.26-9.el7
- Red Hat Enterprise Linux Server (v. 7) gnutls-3.3.26-9.el7, gnutls-3.3.26-9.el7.ppc, gnutls-c++-3.3.26-9.el7 +6
- Red Hat Enterprise Linux Workstation (v. 7) gnutls-3.3.26-9.el7, gnutls-c++-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7 +2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Virtualization 3 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:2292 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:2292 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7869
- 2026-10-03 Alias added: GHSA-8cj2-6v9c-5x8f
References
More Gnutls vulnerabilities
- TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
- TI-2026-03321 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison CVSS 3.1HIGH 7.4
- TI-2024-00525 Gnutls: rejects certificate chain with distributed trust CVSS 3.1HIGH 7.5
- TI-2023-00345 Observable discrepancy in gnutls CVSS 3.1HIGH 7.4
- TI-2019-02841 Use after free in gnutls CVSS 3.0HIGH 7.5
- TI-2017-03378 Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2017-7869 · CVE Program
- CVE-2017-7869 · NVD
- FIRST EPSS
- GHSA-8cj2-6v9c-5x8f · GitHub Advisory Database · CC BY 4.0
- CVE-2017-7869 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences