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TI-2017-05150 Aliases CVE-2017-7507GHSA-w59v-wh6q-qc58

NULL pointer dereference in gnutls

Priority LOW 39CWE-476Published · 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
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Why it matters now

EPSS 0.0341 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUgnutls3.5.12—No fix listedCNA
  • gnutls VendorGNU Affected 3.5.12 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*up to 3.5.12VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* Versions up to 3.5.12 Vulnerable ·GNU

Remediation

Red Hat 1 advisory

  • RHSA-2017:2292 Released 2017-08-01 · Red Hat rating Moderate
    gnutls 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 →

ProductStatusPlan or 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
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Virtualization 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-7507
  2. 2026-10-03 Alias added: GHSA-w59v-wh6q-qc58

References

  • 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
See all 73 →

Sources