CVE-2025-68114

Description

Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue.

CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-120 CWE-120

CWE-124 CWE-124

Affected Products

Vendor	Product	Versions
capstone-engine	capstone	< 6.0.0
capstone-engine	capstone	All
capstone-engine	capstone	All
capstone-engine	capstone	All
capstone-engine	capstone	All
capstone-engine	capstone	All

References

Advisories & Patches

https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r

Frequently Asked Questions

What is CVE-2025-68114? +

Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-68114? +

CVE-2025-68114 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-68114? +

CVE-2025-68114 affects products from capstone-engine, specifically: capstone. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-68114? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-27820

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain …

CVE-2024-13503

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Newtec NTC2218, NTC2250, NTC2299 on Linux, PowerPC, ARM …

CVE-2024-6199

An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and …

CVE-2024-6198

The device exposes a web interface on ports TCP/3030 and TCP/9882. This web service runs lighttpd, which implements the “SNORE” …

CVE-2025-6151

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality …

CVE-2025-0045

Improper Input validation in the AMD Secure Processor (ASP) PCI driver may allow a local attacker to create a buffer …