Denial of Service Vulnerability in GNU C Library (glibc) Versions 2.32 and Earlier

CVE-2021-3326

What is CVE-2021-3326?

The iconv function in the GNU C Library (glibc) 2.32 and earlier is susceptible to a denial of service attack when it encounters invalid input sequences in the ISO-2022-JP-3 encoding. This vulnerability causes an assertion failure in the code, leading to an abortion of the program. Exploitation of this flaw could disrupt services dependent on this library, impacting the availability of applications that rely on it for character set conversion.

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References