| Name | CVE-2021-3677 |
| Description | A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| postgresql-11 (PTS) | buster, buster (lts) | 11.22-0+deb10u3 | fixed |
| buster (security) | 11.22-0+deb10u2 | fixed | |
| postgresql-13 (PTS) | bullseye | 13.16-0+deb11u1 | fixed |
| bullseye (security) | 13.18-0+deb11u1 | fixed | |
| postgresql-9.4 (PTS) | jessie, jessie (lts) | 9.4.26-0+deb8u10 | fixed |
| postgresql-9.6 (PTS) | stretch (security) | 9.6.24-0+deb9u1 | fixed |
| stretch (lts), stretch | 9.6.24-0+deb9u7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| postgresql-11 | source | buster | 11.13-0+deb10u1 | |||
| postgresql-11 | source | (unstable) | (unfixed) | |||
| postgresql-13 | source | bullseye | 13.4-0+deb11u1 | |||
| postgresql-13 | source | (unstable) | 13.4-1 | |||
| postgresql-9.4 | source | (unstable) | (not affected) | |||
| postgresql-9.6 | source | (unstable) | (not affected) |
https://www.postgresql.org/about/news/postgresql-134-128-1113-1018-9623-and-14-beta-3-released-2277/
- postgresql-9.4 <not-affected> (Vulnerable code introduced in 11.x)
- postgresql-9.6 <not-affected> (Vulnerable code introduced in 11.x)