GHSA-chhh-4xrf-42pg

GHSA-chhh-4xrf-42pg PUBLISHED CVSS 3.0999999046325684 LOW

Record from GitHub Advisory Database · Published July 24, 2024

libcurl's URL API function [curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode conversions, to and from IDN. Asking to convert a name that is exactly 256 bytes, libcurl ends up reading outside of a stack based buffer when built to use the *macidn* IDN backend. The conversion function then fills up the provided buffer exactly - but does not null terminate the string. This flaw can lead to stack contents accidently getting returned as part of the converted string.

Risk scores

CVSS 3.1

3.0999999046325684

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Timeline

Jul 24, 2024 CVE Published
May 1, 2026 Security Advisory

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The same record, from the CLI:

vulnetix vdb vuln GHSA-chhh-4xrf-42pg
vulnetix vdb fixes GHSA-chhh-4xrf-42pg

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-chhh-4xrf-42pg/fixes/registry"

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