CVE-2020-12762
json-c - security update
7.8
HIGH
CVSS 3.1
EPSS 0.28%
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.
How to fix CVE-2020-12762
To remediate CVE-2020-12762, upgrade the affected package to a fixed version below.
- Alpine/json-c—upgrade to 0.13.1-r1 or later
- Alpine/libfastjson—upgrade to 1.2304.0-r0 or later
- —upgrade to 0.11-4+deb8u2 or later
- —upgrade to 0.12.1-1.1+deb9u1 or later
- —upgrade to 0.12.1+ds-2+deb10u1 or later
- —upgrade to 0.13.1+dfsg-8 or later
- —upgrade to 0.11-4+deb8u1 or later
- —upgrade to 0.99.9-1+deb11u1 or later
- —upgrade to 0.99.8-2+deb10u1 or later
- —upgrade to 0.99.9-1+deb11u1 or later
Is CVE-2020-12762 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (10)
- from 0, < 0.13.1-r1
- from 0, < 1.2304.0-r0
- from 0, < 0.11-4+deb8u2
- from 0, < 0.12.1-1.1+deb9u1
- from 0, < 0.12.1+ds-2+deb10u1
- from 0, < 0.13.1+dfsg-8
- from 0, < 0.11-4+deb8u1
- from 0, < 0.99.9-1+deb11u1
- from 0, < 0.99.8-2+deb10u1
- from 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 |