CVE-2020-12762
HIGH7.8EPSS 0.28%json-c - security update
Published: 5/9/2020Modified: 3/9/2026
Also known as:ALPINE-CVE-2020-12762DEBIAN-CVE-2020-12762DLA-2228-1
Description
json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.
Affected packages (10)
- Alpine/json-cfrom 0, < 0.13.1-r1
- Alpine/libfastjsonfrom 0, < 1.2304.0-r0
- Debian/json-cfrom 0, < 0.11-4+deb8u2
- Debian/json-cfrom 0, < 0.12.1-1.1+deb9u1
- Debian/json-cfrom 0, < 0.12.1+ds-2+deb10u1
- Debian/json-cfrom 0, < 0.13.1+dfsg-8
- Debian/json-cfrom 0, < 0.11-4+deb8u1
- Debian/libfastjsonfrom 0, < 0.99.9-1+deb11u1
- Debian/libfastjsonfrom 0, < 0.99.8-2+deb10u1
- Debian/libfastjsonfrom 0, < 0.99.9-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |