What is CVE-2023-53157?

CVE-2023-53157 is a medium-severity vulnerability in Rosenpass, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 5.3/10. Published 2025-07-28.

How severe is CVE-2023-53157?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Rosenpass

CVE-2023-53157

The rosenpass crate before 0.2.1 for Rust allows remote attackers to cause a denial of service (panic) via a one-byte UDP packet.

Published 2025-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Rosenpass — versions 0

Weakness classification (CWE)

CWE-130 — Improper Handling of Length Parameter Inconsistency

References

github.com/rosenpass/rosenpass/commit/93439858d1c44294a7b377f775c4fc897a370bb2 (Patch)
github.com/advisories/GHSA-6ggr-cwv4-g7qg (Third Party Advisory)
rustsec.org/advisories/RUSTSEC-2023-0077.html (Third Party Advisory)
crates.io/crates/rosenpass (Product)

Frequently asked questions

What is CVE-2023-53157?: CVE-2023-53157 is a medium-severity vulnerability in Rosenpass, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 5.3/10. Published 2025-07-28.
How severe is CVE-2023-53157?: Medium severity. CVSS v3 base score is 5.3 out of 10.