What happened
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.
Affected versions
n/a: n/a; V3.1.0 through before V3.1.5 (custom) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
RepositoryAuthorFirst seenReference
sourceware.orgNVD reference2020-12-04VerifiedSource timeline
CVE record published by NVDView source ↗
Record history
Record created from the first normalized source observation.
Metadata and source references refreshed.