What is CVE-2017-11721?

CVE-2017-11721 is a critical-severity vulnerability in Ioquake3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-08-03.

How severe is CVE-2017-11721?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Ioquake3

CVE-2017-11721

Buffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packet.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ioquake3
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2017-11721?: CVE-2017-11721 is a critical-severity vulnerability in Ioquake3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-08-03.
How severe is CVE-2017-11721?: Critical severity. CVSS v3 base score is 9.8 out of 10.