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CURL-CVE-2016-8622
No affected components available
The URL percent-encoding decode function in libcurl is called
curl_easy_unescape. Internally, even if this function would be made to
allocate a destination buffer larger than 2GB, it would return that new length
in a signed 32-bit integer variable, thus the length would get either
truncated only or both truncated and turned negative. That could then lead
to libcurl writing outside of its heap based buffer.
This can be triggered by a user on a 64-bit system if the user can send in a custom (large) URL to a libcurl using program.
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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