CVE-2025-15536 · cross-distro fix matrix

CVE-2025-15536: USN-7972-1 fixed a vulnerability in OpenCC. This update provides the

Affects 2 Linux releases across 8 (distro × package) combinations. First disclosed: 2026-05-26.

Fix per ecosystem

Each block below is a distro release where CVE-2025-15536 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

opencc→ fixed in1.0.4-5ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y opencc
```
libopencc-dev→ fixed in1.0.4-5ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc-dev
```
libopencc2→ fixed in1.0.4-5ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc2
```
libopencc2-data→ fixed in1.0.4-5ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc2-data
```

Ubuntu focal

Source: Ubuntu USN

opencc→ fixed in1.0.5+git20190530-1ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y opencc
```
libopencc-dev→ fixed in1.0.5+git20190530-1ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc-dev
```
libopencc2→ fixed in1.0.5+git20190530-1ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc2
```
libopencc2-data→ fixed in1.0.5+git20190530-1ubuntu0.1~esm1USN-7972-2
```
sudo apt-get install --only-upgrade -y libopencc2-data
```

Are YOU affected by CVE-2025-15536?

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-2025-15536dropped 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)