| Name | CVE-2021-20190 |
| Description | A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2638-1, ELA-403-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| jackson-databind (PTS) | jessie, jessie (lts) | 2.4.2-2+deb8u17 | fixed |
| stretch (security) | 2.8.6-1+deb9u10 | fixed |
| stretch (lts), stretch | 2.8.6-1+deb9u11 | fixed |
| buster (security), buster, buster (lts) | 2.9.8-3+deb10u5 | fixed |
| bullseye (security), bullseye | 2.12.1-1+deb11u1 | fixed |
| sid, trixie, bookworm | 2.14.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/FasterXML/jackson-databind/issues/2854
Starting from 2.10 series mitigated as Safe Default Typing is enabled by default
but still an issue when Default Typing is enabled.
https://github.com/FasterXML/jackson-databind/commit/7dbf51bf78d157098074a20bd9da39bd48c18e4a