Open Chinese Convert subject to Denial of Service via Out-of-bounds Read

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.

Recommendation

Update the opencc package to the latest compatible version. Followings are version details:

• Affected version(s): < 1.1.2
• Patched version(s): 1.1.2

References

• GHSA-9qh2-6fxg-9m4g
• CVE-2018-16982
• CWE-125
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Open Chinese Convert has Out-of-bounds Write - CVE-2025-15536
• Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input - CVE-2026-33891
• Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects - CVE-2026-34043
• Parse Server has Denial of Service (DoS) and Cloud Function Dispatch Bypass via Prototype Chain Resolution - CVE-2026-30939

Tags:

npm

opencc