An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. (CVE-2026-87736)
A vulnerability in the mirage-crypto-ec package for OCaml before version 2.3.0 allows an out-of-bounds read of an EC public key when processing compressed points. This issue can cause a denial of service due to application crashes but does not impact confidentiality or integrity.
AI Analysis
Technical Summary
CVE-2026-87736 is an out-of-bounds read vulnerability in the mirage-crypto-ec package for OCaml versions prior to 2.3.0. The flaw occurs when handling compressed elliptic curve public keys, leading to an invalid memory read (CWE-125). The vulnerability has a CVSS 3.1 base score of 4.3, reflecting a network attack vector with low complexity and requiring low privileges, causing availability impact only.
Potential Impact
The vulnerability can cause application crashes or denial of service due to out-of-bounds memory reads when processing specially crafted compressed EC public keys. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
A fix is available in mirage-crypto-ec version 2.3.0. Users should upgrade to version 2.3.0 or later to remediate this vulnerability. No other mitigation guidance is provided.
An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. (CVE-2026-87736)
Description
A vulnerability in the mirage-crypto-ec package for OCaml before version 2.3.0 allows an out-of-bounds read of an EC public key when processing compressed points. This issue can cause a denial of service due to application crashes but does not impact confidentiality or integrity.
CVSS v3.1
Score 4.3medium
Affected software
pkg:golang/github.com/mirage/mirage-crypto-ecRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87736 is an out-of-bounds read vulnerability in the mirage-crypto-ec package for OCaml versions prior to 2.3.0. The flaw occurs when handling compressed elliptic curve public keys, leading to an invalid memory read (CWE-125). The vulnerability has a CVSS 3.1 base score of 4.3, reflecting a network attack vector with low complexity and requiring low privileges, causing availability impact only.
Potential Impact
The vulnerability can cause application crashes or denial of service due to out-of-bounds memory reads when processing specially crafted compressed EC public keys. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
A fix is available in mirage-crypto-ec version 2.3.0. Users should upgrade to version 2.3.0 or later to remediate this vulnerability. No other mitigation guidance is provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x37h-cx7x-wm76
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87736"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6aa15f79acd9273b49618313
Added to database: 09/09/2026, 13:30:33 UTC
Last enriched: 09/09/2026, 13:55:51 UTC
Last updated: 09/10/2026, 01:52:00 UTC
Views: 4
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