What is CVE-2017-1000118?

CVE-2017-1000118 is a high-severity vulnerability in Akka HTTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-05.

How severe is CVE-2017-1000118?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Akka HTTP Server

CVE-2017-1000118

Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of Service

Vulnerability class: Buffer Overflow

Published 2017-10-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Akka HTTP Server

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

doc.akka.io/docs/akka-http/10.0.6/security/2017-05-03-illegal-media-range-in-ac… (Vendor Advisory)

Frequently asked questions

What is CVE-2017-1000118?: CVE-2017-1000118 is a high-severity vulnerability in Akka HTTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-05.
How severe is CVE-2017-1000118?: High severity. CVSS v3 base score is 7.5 out of 10.