CVE-2020-12762
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/json-c/json-c/pull/592
- https://github.com/rsyslog/libfastjson/issues/161
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
- https://usn.ubuntu.com/4360-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
- https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
- https://usn.ubuntu.com/4360-4/
- https://security.gentoo.org/glsa/202006-13
- https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
- https://www.debian.org/security/2020/dsa-4741
- https://security.netapp.com/advisory/ntap-20210521-0001/
- https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
- https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html
- https://lists.debian.org/debian-lts-announce/2025/07/msg00021.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/json-c/json-c/pull/592
- https://github.com/rsyslog/libfastjson/issues/161
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNCCJ2HN3W5SSCZ4QGMXQI/
- https://usn.ubuntu.com/4360-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITAZFB5PFBJTED22WO5ONB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXDUFVKNWNH7ETG7AR6MCS/
- https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
- https://usn.ubuntu.com/4360-4/
- https://security.gentoo.org/glsa/202006-13
- https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
- https://www.debian.org/security/2020/dsa-4741
- https://security.netapp.com/advisory/ntap-20210521-0001/
- https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
- https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html
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