Description
A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and finally terminates the handle with `curl_easy_cleanup()`. During this final cleanup phase, libcurl attempts to access and modify an internal structure that was already freed during the reset operation.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- curl / curl71b7e0161032927cdfb4e75ea40f65b8898b3956 – bfbff7852f050232edd3e5ca5c6bf2021c340f5a
- curl / curl8.19.0 – 8.19.0
- curl / curl8.18.0 – 8.18.0
- curl / curl8.17.0 – 8.17.0
- curl / curl8.16.0 – 8.16.0
- curl / curl8.15.0 – 8.15.0
- curl / curl8.14.1 – 8.14.1
- curl / curl8.14.0 – 8.14.0
- curl / curl8.13.0 – 8.13.0
- curl / curl8.12.1 – 8.12.1
- curl / curl8.12.0 – 8.12.0
- curl / curl8.11.1 – 8.11.1
- curl / curl8.11.0 – 8.11.0
- curl / curl8.10.1 – 8.10.1
- curl / curl8.10.0 – 8.10.0
- curl / curl8.9.1 – 8.9.1
- curl / curl8.9.0 – 8.9.0
- curl / curl8.8.0 – 8.8.0
- curl / curl8.7.1 – 8.7.1
- curl / curl8.7.0 – 8.7.0
- curl / curl8.6.0 – 8.6.0
- curl / curl8.5.0 – 8.5.0
- curl / curl8.4.0 – 8.4.0
- curl / curl8.3.0 – 8.3.0
- curl / curl8.2.1 – 8.2.1
- curl / curl8.2.0 – 8.2.0
- curl / curl8.1.2 – 8.1.2
- curl / curl8.1.1 – 8.1.1
- curl / curl8.1.0 – 8.1.0
- curl / curl8.0.1 – 8.0.1
- curl / curl8.0.0 – 8.0.0
- curl / curl7.88.1 – 7.88.1
- curl / curl7.88.0 – 7.88.0
- curl / curl8.20.0 – 8.20.0
- curl / curl7.88.0 – 8.14.2
- curl / curl8.15.0 – 8.16.1
- curl / curl8.17.0 – 8.20.1
- haxx / curl7.88.0 – 8.21.0
Updated 16m ago · 8 sources