c-ares: buffer overflow in config_sortlist() due to missing string length check

A flaw was found in the c-ares package. The aressetsortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity...

UBUNTU-CVE-2021-42860

DISPUTED A stack buffer overflow exists in Mini-XML v3.2. When inputting an unformed XML string to the mxmlLoadString API, it will cause a stack-buffer-overflow in mxmlstringgetc:2611. NOTE: it is unclear whether this input is allowed by the API specification...