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CVE-2020-29562

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Severity
Medium 4.8
Published
4 Dec 2020
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • From 2.30 up to 2.32

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-29562
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-29562