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CVE-2025-68114

34
FAUCET Score

CVE-2025-68114 is a critical vulnerability affecting Capstone disassembly framework versions 6.0.0-Alpha5 and prior. It stems from an unchecked vsnprintf return that can manipulate SStream's index, leading to a stack buffer underflow or overflow. With a CVSS score of 9.8 (CRITICAL) and a FAUCET Risk Score of 96/100, this vulnerability is network-exploitable with low complexity, requiring no user interaction or privileges, and can result in complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.0.0CPE matchmatch criteria
cpe:2.3:a:capstone-engine:capstone:*:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha1:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha2:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha3:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.3
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 0th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: azl3 rust 1.90.0-4 on Azure Linux 3.0Fixed in: 1.90.0-4
microsoftpatch availablevia msrc
Product: 20865-17084Fixed in: 1.90.0-4
microsoftpatch availablevia msrc
Product: 20964-17084Fixed in: 1.90.0-4
microsoftpatch availablevia msrc
Product: azl3 rust 1.90.0-3 on Azure Linux 3.0Fixed in: 1.90.0-4
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: capstone
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: rhcos
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: capstone

Vendor Advisories (2)

redhatCVE-2025-68114Moderate

capstone: Capstone: Memory corruption via unchecked vsnprintf return

Dec 17, 2025
microsoft2025-Dec/CVE-2025-68114Moderate

Capstone doesn't check vsnprintf return in SStream_concat, allows stack buffer underflow and overflow

Dec 9, 2025

References

github.com / capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e
Patch
github.com / capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r
Vendor Advisory