CVE-2017-7186 · cross-distro fix matrix

CVE-2017-7186: libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

Affects 8 Linux releases across 10 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2017-7186 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pcre2→ fixed in10.22-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre2
```
pcre3→ fixed in2:8.39-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre3
```

Debian bookworm

Source: Debian Security Tracker

pcre2→ fixed in10.22-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre2
```
pcre3→ fixed in2:8.39-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre3
```

Debian trixie

Source: Debian Security Tracker

pcre2→ fixed in10.22-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pcre2
```

Alpine v3.20

Source: Alpine secdb

pcre→ fixed in8.40-r2
```
apk update && apk add --upgrade pcre
```

Alpine v3.21

Source: Alpine secdb

pcre→ fixed in8.40-r2
```
apk update && apk add --upgrade pcre
```

Alpine edge

Source: Alpine secdb

pcre→ fixed in8.40-r2
```
apk update && apk add --upgrade pcre
```

Alpine v3.18

Source: Alpine secdb

pcre→ fixed in8.40-r2
```
apk update && apk add --upgrade pcre
```

Alpine v3.19

Source: Alpine secdb

pcre→ fixed in8.40-r2
```
apk update && apk add --upgrade pcre
```

Are YOU affected by CVE-2017-7186?

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

CVE-2017-7186dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)