How severe is CVE-2018-3839?

CVE-2018-3839 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3839?

CVE-2018-3839 primarily affects Libsdl Sdl Image. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3839?

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-2018-3839 published?

CVE-2018-3839 was published on 2018-04-10 and last updated on 2026-06-17.

CVE-2018-3839

CVE-2018-3839 is a high-severity vulnerability in Libsdl Sdl Image with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Libsdl Sdl Image
Published: 2018-04-10
Last modified: 2026-06-17

Description

An exploitable code execution vulnerability exists in the XCF image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2. A specially crafted XCF image can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability.

Frequently asked questions

What is CVE-2018-3839?: An exploitable code execution vulnerability exists in the XCF image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2. A specially crafted XCF image can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can display a specially crafted image to trigger this vulnerability.
How severe is CVE-2018-3839?: CVE-2018-3839 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3839?: CVE-2018-3839 primarily affects Libsdl Sdl Image. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3839?: 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-2018-3839 published?: CVE-2018-3839 was published on 2018-04-10 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:libsdl:sdl_image:2.0.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:*
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:*
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:*

More vulnerabilities in Libsdl Sdl Image

CVE-2018-3977 — High (CVSS 8.8): An exploitable code execution vulnerability exists in the XCF image rendering functionality of SDL2_image-2.0.3. A…
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CVE-2017-14442 — High (CVSS 8.8): An exploitable code execution vulnerability exists in the BMP image rendering functionality of SDL2_image-2.0.2. A…
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CVE-2017-14440 — High (CVSS 8.8): An exploitable code execution vulnerability exists in the ILBM image rendering functionality of SDL2_image-2.0.2. A…
CVE-2017-12122 — High (CVSS 8.8): An exploitable code execution vulnerability exists in the ILBM image rendering functionality of SDL2_image-2.0.2. A…

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