VDB
CVE-2026-5190
CVE-2026-5190
PUBLISHED
CVSS 7.699999809265137 HIGH
Out-of-bounds write in the streaming decoder component in aws-c-event-stream before 0.6.0 might allow a third party operating a server to cause memory corruption leading to arbitrary code execution on a client application that processes crafted event-stream messages. To remediate this issue, users should upgrade to version 0.6.0 or later.
EPSS 0.42% · 36.4th percentile
Risk Scores
CVSS 4.0
7.699999809265137
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.42%
36.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| AWS | aws-c-event-stream | 0.6.0 |
Timeline
- Mar 31, 2026 CVE Published
- Mar 31, 2026 PoC Published
- Mar 31, 2026 PoC Published
- Apr 1, 2026 EPSS Score
- Apr 2, 2026 PoC Published
- Apr 18, 2026 PoC Published
- May 18, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score