CVE-2026-87736
Quick assessment
Affected
OCaml mirage-crypto-ec
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 OCaml 语言中， 包在 2.3.0 版本之前存在一个安全问题：对于压缩椭圆曲线（EC）公钥，存在越界读取（out-of-bounds read）漏洞。
Possible ATT&CK Techniques 2 AI
T1598 · Phishing for Information T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2026-87736
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. There is an EC public key out-of-bounds read for compressed points.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OCaml | mirage-crypto-ec | 0 ~ 2.3.0 | - |
|
II. Public POCs for CVE-2026-87736
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-87736 (1)
Same Patch Batch · OCaml · 2026-09-09 · 7 CVEs total
| CVE-2026-87734 | 7.5 HIGH | OCaml utcp 0.0.6 前 远程拒绝服务 |
| CVE-2026-87733 | 6.2 MEDIUM | OCaml mirage-crypto-ec 2.2.0前ECDSA签名伪造 |
| CVE-2026-87732 | 6.2 MEDIUM | OCaml mirage-crypto <2.2.0解密缓冲区信息泄露 |
| CVE-2026-87737 | 5.9 MEDIUM | mirage-crypto-ec 2.4.0前时序侧信道漏洞 |
| CVE-2026-57825 | 5.7 MEDIUM | OCaml opam 2.5.2前沙箱保护绕过漏洞 |
| CVE-2026-87735 | 4.3 MEDIUM | ocaml mirage-crypto-pk<2.3.0 异常处理缺陷 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-87736
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