Findings

CVE-2021-3326

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertio…

Published Jan 27, 2021 · updated Oct 14, 2026 · gnu glibc

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 27, 2021 · NIST NVD

    Detected

    The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

  2. Oct 14, 2026 · NIST NVD

    Updated

    The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Affected

  • cpe fujitsu/m10-1 firmwareversion unspecified
  • cpe fujitsu/m10-4 firmwareversion unspecified
  • cpe fujitsu/m10-4s firmwareversion unspecified
  • cpe fujitsu/m12-1 firmwareversion unspecified
  • cpe fujitsu/m12-2 firmwareversion unspecified
  • cpe fujitsu/m12-2s firmwareversion unspecified
  • cpe gnu/glibcversion unspecified
  • cpe netapp/e-series santricity os controllerversion unspecified
  • cpe netapp/ontap select deploy administration utilityversion unspecified
  • cpe oracle/communications cloud native core security edge protection proxy1.5.0

Sources

  • CVE.orgCVE-2021-3326

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2021-3326

    30-day exploitation probability 3.8%

    first.org
  • NIST NVDCVE-2021-3326

    The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

    nvd.nist.gov

References