🛡️ OSEC-2026-15 — mirage-crypto-ec

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

EC public key out of bounds read

The internal Point.of_octets function is missing a length check for compressed

points, and thus is raising an exception when a short buffer is provided. This

affects all NIST curves (P-256, P-384, P-521) and both Dsa.pub_of_octets and

Dh.key_exchange functions.

Fix

The fix is to check the length of the provided buffer.

Timeline

  • July 28th 2026: report to security@ocaml.org
  • August 7th: release of mirage-crypto-pk 2.3.0 and security advisory

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Affected software

OSEC-2026-15 is recorded against 1 package.

  • mirage-crypto-ec (fixed in 2.3.0)

Timeline and source

Published on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-07
Updated 2026-08-12
Modified 2026-08-07
Fix URL N/A

Affected Packages

Software From version Fixed in
mirage-crypto-ec — 2.3.0

References

N/A

Similar Threats

More OSEC 2026 advisories

Browse all of OSEC 2026 in the advisory index.

Free Vulnerability Check

Is your site affected by OSEC-2026-15?

BotEraser helps you identify potentially vulnerable plugins and themes by checking your installation against OSEC-2026-15 and other known CVE records.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.