Alpine/libfastjson: high 7.8

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.

Action: Upgrade libfastjson to 1.2304.0-r0 or later.

Affected

Fixed versions

Sources

• osv: ALPINE-CVE-2020-12762#Alpine:v3.24/libfastjson
• https://security.alpinelinux.org/vuln/CVE-2020-12762

published 2020-05-09T18:15:11.283Z · modified 2026-10-26T11:17:55.110784019Z · JSON