VDB
DEBIAN-CVE-2021-43396
DEBIAN-CVE-2021-43396
PUBLISHED
CVSS 7.5 HIGH
In iconvdata/iso-2022-jp-3.c in the GNU C Library (aka glibc) 2.34, remote attackers can force iconv() to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data integrity in certain iconv() use cases. NOTE: the vendor states "the bug cannot be invoked through user input and requires iconv to be invoked with a NULL inbuf, which ought to require a separate application bug to do so unintentionally. Hence there's no security impact to the bug.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | glibc | 2.31-13, *, * |
| Debian:14 | glibc | 0, 0, 0 |
| Debian:13 | glibc | 0, 0, 0 |
| Debian:12 | glibc | 0, 0, 0 |
Timeline
- Nov 4, 2021 CVE Published
- Apr 28, 2026 CVE Updated