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TI-2026-07845 Aliases CVE-2026-8925GHSA-p8x5-c6c9-8cwx

SASL double-free

Priority HIGH 82CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.

Summary

The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it `free()` the same pointer twice.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0108 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed curl (curl): 8.16.1, 8.20.1Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
curlcurl8.15.0 to before 8.16.1; 8.17.0 to before 8.20.18.16.1, 8.20.1Patch availableCNA
curlcurl8.20.0; 8.19.0; 8.18.0; 8.17.0; 8.16.0; 8.15.0—No fix listedCNA
  • curl Vendorcurl Affected 8.15.0 to before 8.16.1; 8.17.0 to before 8.20.1 Fixed in 8.16.1, 8.20.1 Patch available CNA
  • curl Vendorcurl Affected 8.20.0; 8.19.0; 8.18.0; 8.17.0; 8.16.0; 8.15.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*8.15.0 to before 8.21.0VulnerableHaxx
  • cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* Versions 8.15.0 to before 8.21.0 Vulnerable ·Haxx

Remediation

  • Fix · CNA curl (curl) Fixed in 8.16.1, 8.20.1

Red Hat 2 advisories

  • RHSA-2026:34975 Released 2026-07-02 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images cargo-1.96.1-1.hum1@aarch64, cargo-1.96.1-1.hum1@x86_64, clippy-1.96.1-1.hum1@aarch64 +36
  • RHSA-2026:29017 Released 2026-06-24 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images curl-8.21.0-0.1.hum1@aarch64, curl-8.21.0-0.1.hum1@src, curl-8.21.0-0.1.hum1@x86_64 +6

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    curl 8.16.1, 8.20.1

    2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM

    Other records, highest priority first

    Show all 2 records →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:29017, RHSA-2026:34975
Not affected: 9 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 5
  • Red Hat OpenShift Dev Spaces
  • Red Hat Trusted Profile Analyzer

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8925
  2. 2026-10-03 Alias added: GHSA-p8x5-c6c9-8cwx
  3. 2026-11-05 Affected versions changed · Red Hat

References

Exploit 1

Patch 1

Advisory 1

  • TI-2023-19922 Out-of-bounds write in curl CVSS 3.1CRITICAL 9.8
  • 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-2026-77670 Credential leak in curl redirects to URLs with userinfo CVSS 3.1CRITICAL 9.1
See all 103 →

Sources

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