How severe is CVE-2015-3418?

CVE-2015-3418 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-3418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3418?

CVE-2015-3418 affects X.org X Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3418?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-3418 published?

CVE-2015-3418 was published on 2016-12-13 and last updated on 2026-06-17.

CVE-2015-3418

CVE-2015-3418 is a high-severity vulnerability in X.org X Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-369.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-369
Affected product: X.org X Server
Published: 2016-12-13
Last modified: 2026-06-17

Description

The ProcPutImage function in dix/dispatch.c in X.Org Server (aka xserver and xorg-server) before 1.16.4 allows attackers to cause a denial of service (divide-by-zero and crash) via a zero-height PutImage request.

Frequently asked questions

What is CVE-2015-3418?: The ProcPutImage function in dix/dispatch.c in X.Org Server (aka xserver and xorg-server) before 1.16.4 allows attackers to cause a denial of service (divide-by-zero and crash) via a zero-height PutImage request.
How severe is CVE-2015-3418?: CVE-2015-3418 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-3418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3418?: CVE-2015-3418 affects X.org X Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3418?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-3418 published?: CVE-2015-3418 was published on 2016-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

More vulnerabilities in X.org X Server

CVE-2023-6816 — Critical (CVSS 9.8): A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical…
CVE-2017-12187 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X…
CVE-2017-12186 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to…
CVE-2017-12185 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client…
CVE-2017-12184 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause…
CVE-2017-12183 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X…

All CVEs affecting X.org X Server →

Other CWE-369 (Divide By Zero) vulnerabilities

CVE-2021-32494 — Critical (CVSS 10.0): Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create…
CVE-2017-11720 — Critical (CVSS 9.8): There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.
CVE-2020-20892 — High (CVSS 8.8): An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers…
CVE-2025-4637 — High (CVSS 8.7): Divide By Zero vulnerability in davisking dlib allows remote attackers to cause a denial of service via a crafted…
CVE-2026-37232 — High (CVSS 8.6): An issue was discovered in OpenAirInterface5G 2.4.0 (nr-softmodem) in the E2SM-KPM RAN Function's PRB utilization…
CVE-2024-26945 — High (CVSS 8.4): In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If…

Browse all CWE-369 (Divide By Zero) vulnerabilities →