Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStreamconcat lets a malicious csopt_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.
{
"cwe_ids": [
"CWE-120",
"CWE-124"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68114.json",
"cna_assigner": "GitHub_M"
}{
"cpe": [
"cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha1:*:*:*:*:*:*",
"cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha2:*:*:*:*:*:*",
"cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha3:*:*:*:*:*:*",
"cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha4:*:*:*:*:*:*",
"cpe:2.3:a:capstone-engine:capstone:6.0.0:alpha5:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "6.0.0-alpha1"
},
{
"last_affected": "6.0.0-alpha1"
},
{
"introduced": "6.0.0-alpha2"
},
{
"last_affected": "6.0.0-alpha2"
},
{
"introduced": "6.0.0-alpha3"
},
{
"last_affected": "6.0.0-alpha3"
},
{
"introduced": "6.0.0-alpha4"
},
{
"last_affected": "6.0.0-alpha4"
},
{
"introduced": "6.0.0-alpha5"
},
{
"last_affected": "6.0.0-alpha5"
}
],
"source": [
"CPE_STRING",
"REFERENCES"
]
}