CVE-2023-5870 · cross-distro fix matrix

CVE-2023-5870: A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would af

Affects 7 Linux releases across 14 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-5870 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

postgresql-13→ fixed in13.13-0+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-13
```

Debian bookworm

Source: Debian Security Tracker

postgresql-15→ fixed in15.5-0+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-15
```

Alpine v3.20

Source: Alpine secdb

postgresql15→ fixed in15.5-r0

apk update && apk add --upgrade postgresql15

postgresql16→ fixed in16.1-r0

apk update && apk add --upgrade postgresql16

postgresql14→ fixed in14.10-r0

apk update && apk add --upgrade postgresql14

Alpine v3.21

Source: Alpine secdb

postgresql16→ fixed in16.1-r0

apk update && apk add --upgrade postgresql16

postgresql15→ fixed in15.5-r0

apk update && apk add --upgrade postgresql15

Alpine edge

Source: Alpine secdb

postgresql16→ fixed in16.1-r0

apk update && apk add --upgrade postgresql16

Alpine v3.18

Source: Alpine secdb

postgresql14→ fixed in14.10-r0

apk update && apk add --upgrade postgresql14

postgresql15→ fixed in15.5-r0

apk update && apk add --upgrade postgresql15

postgresql12→ fixed in12.17-r0

apk update && apk add --upgrade postgresql12

Alpine v3.19

Source: Alpine secdb

postgresql15→ fixed in15.5-r0

apk update && apk add --upgrade postgresql15

postgresql16→ fixed in16.1-r0

apk update && apk add --upgrade postgresql16

postgresql14→ fixed in14.10-r0

apk update && apk add --upgrade postgresql14

Are YOU affected by CVE-2023-5870?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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