Description
Open Chinese Convert (OpenCC) 1.0.5 allows attackers to cause a denial of service (segmentation fault) because BinaryDict::NewFromFile in BinaryDict.cpp may have out-of-bounds keyOffset and valueOffset values via a crafted .ocd file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | opencc | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | opencc | No fix yet | — |
| Ubuntu Pro 18.04 LTS | opencc | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | opencc | 1.0.5-150000.5.3.1 | SUSE-SU-2024:2102-1 |
| SLES 15 SP5 | opencc | 1.0.5-150000.5.3.1 | SUSE-SU-2024:2102-1 |
| SLES 12 SP5 | opencc | 1.0.3-5.3.1 | SUSE-SU-2022:4288-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | opencc | 1.0.3-5.3.1 | SUSE-SU-2022:4288-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | opencc | 1.0.5-150000.5.3.1 | SUSE-SU-2024:2102-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | opencc | < 1.1.2 | 1.1.2 | GHSA-9qh2-6fxg-9m4g |
Advisories 2
- SUSE-SU-2022:4288-1 Security update for opencc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2102-1 Security update for opencc SUSE / openSUSE Security Updates · Feb 4, 2026