PT-2025-51923 · Capstone+2 · Capstone+2

Finder16 · Published 2025-12-17 · Updated 2026-04-07 · CVE-2025-68114

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Capstone versions 6.0.0-Alpha5 and prior

Description An unchecked return value from the vsnprintf function within SStream concat can lead to a stack buffer underflow or overflow. A malicious cs opt mem.vsnprintf input can cause SStream’s index to become negative or exceed the buffer boundaries, resulting in a stack buffer underflow/overflow during subsequent write operations.

Recommendations Update to a version later than 6.0.0-Alpha5.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-124

CWE-120

Related Identifiers

ALSA-2026:4898

ALSA-2026:6817

AZL-72697

AZL-72821

AZL-74805

BDU:2026-04943

CVE-2025-68114

GHSA-85F5-6XR3-Q76R

RHSA-2026:13923

RHSA-2026:4898

RHSA-2026:5123

RHSA-2026:5124

RHSA-2026:5125

RHSA-2026:5224

RHSA-2026:6817

SUSE-SU-2026:0060-1

SUSE-SU-2026:20054-1

SUSE-SU-2026:20868-1

Affected Products

Capstone

Debian

Rocky Linux

References · 46

• 🔥 https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68114.json · Exploit
• https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e · Patch
• https://bdu.fstec.ru/vul/2026-04943 · Security Note
• https://errata.rockylinux.org/RLSA-2026:4898 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-68114 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2026-4898.html · Vendor Advisory
• https://osv.dev/vulnerability/AZL-74805 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-68114 · Security Note
• https://osv.dev/vulnerability/CVE-2025-68114 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68114 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-68114 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-72821 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-68114 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20868-1 · Vendor Advisory