| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-2638-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| jackson-databind (PTS) | buster | 2.9.8-3+deb10u3 | fixed |
| buster (security) | 2.9.8-3+deb10u4 | fixed | |
| bullseye (security), bullseye | 2.12.1-1+deb11u1 | fixed | |
| bookworm, sid | 2.14.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| jackson-databind | source | stretch | 2.8.6-1+deb9u9 | DLA-2638-1 | ||
| jackson-databind | source | buster | 2.9.8-3+deb10u3 | |||
| jackson-databind | source | (unstable) | 2.12.1-1 |
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