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TI-2016-07815 Aliases CVE-2016-9594GHSA-qq6c-xrmh-q72x

curl before version 7.52.1 is vulnerable to an uninitialized random in libcurl's internal…

Priority MEDIUM 46CWE-665Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

curl before version 7.52.1 is vulnerable to an uninitialized random in libcurl's internal function that returns a good 32bit random value. Having a weak or virtually non-existent random value makes the operations that use it vulnerable.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02218 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
unspecifiedcurlcurl 7.52.1—No fix listedCNA
  • curl Vendorunspecified Affected curl 7.52.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*before 7.52.1VulnerableHaxx
  • cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* Versions before 7.52.1 Vulnerable ·Haxx

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 9 products
  • .NET Core 1.0 on Red Hat Enterprise Linux
  • .NET Core 1.1 on Red Hat Enterprise Linux
  • .NET Core 2.0 on Red Hat Enterprise Linux
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Virtualization 3
  • Red Hat JBoss Enterprise Web Server 3
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9594
  2. 2026-10-03 Alias added: GHSA-qq6c-xrmh-q72x

References

Advisory 4

  • TI-2026-16162 Negotiate ambient user conn reuse CVSS 3.1CRITICAL 9.8
  • TI-2026-10231 cross-origin Digest auth state leak CVSS 3.1CRITICAL 9.8
  • TI-2026-09063 HTTP/2 stream-dependency tree UAF CVSS 3.1CRITICAL 9.8
  • TI-2026-07976 stale proxy password leak CVSS 3.1CRITICAL 9.8
  • TI-2026-07845 SASL double-free CVSS 3.1CRITICAL 9.8
  • TI-2023-12257 Injection in https://github.com/curl/curl CVSS 3.1CRITICAL 9.8
See all 168 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences