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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-9079

stale proxy password leak

Description

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

curl curl

Default version status: unaffected

  • 8.8.0 to < 8.14.2affected
  • 8.15.0 to < 8.16.1affected
  • 8.17.0 to < 8.20.1affected

curl curl

Default version status: unaffected

  • d5e83eb745762f48d8fafadc5df5dd3ae8d8941e to < 88c7e16cceec816a2df45c899d49b1e85513f193affected

curl curl

Default version status: unaffected

  • 8.20.0affected
  • 8.19.0affected
  • 8.18.0affected
  • 8.17.0affected
  • 8.16.0affected
  • 8.15.0affected
  • 8.14.1affected
  • 8.14.0affected
  • 8.13.0affected
  • 8.12.1affected
  • 8.12.0affected
  • 8.11.1affected
  • 8.11.0affected
  • 8.10.1affected
  • 8.10.0affected
  • 8.9.1affected
  • 8.9.0affected
  • 8.8.0affected

References