The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 7.3 | High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| Product | Vendor | Version |
|---|---|---|
| glibc | The GNU C Library | n/a |