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Fencer Intel
high 7.5

CVE-2018-3839 json

An exploitable code execution vulnerability exists in the XCF image rendering functionality of Simple DirectMedia Layer SDL2_image-2.0.2.

published 8y ago modified 4mo ago also EUVD-2018-15625

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

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.

Patch / fix

  • sdl-image1.2 Debian 14, Debian 13, Debian 12 1.2.12-8
  • libsdl2-image Debian 14, Debian 13, Debian 12 2.0.3+dfsg1-1

debian advisories DEBIAN-CVE-2018-3839

  • sdl-image1.2 Ubuntu 14.04 LTS 1.2.12-5+deb9u1build0.14.04.1
  • sdl-image1.2 Ubuntu 16.04 LTS 1.2.12-5+deb9u1build0.16.04.1
  • libsdl2-image Ubuntu 14.04 LTS 2.0.0+dfsg-3+deb8u1build0.14.04.1
  • libsdl2-image Ubuntu 16.04 LTS 2.0.1+dfsg-2+deb9u1build0.16.04.1

ubuntu advisories UBUNTU-CVE-2018-3839

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • SDL_image SLE Software Development Kit 11 SP4 1.2.6-84.42.1

suse advisories SUSE-SU-2018:3657-1

  • SDL2_image Package Hub 15 2.0.4-bp150.3.3.1

opensuse advisories openSUSE-SU-2018:3906-1

  • sdl2_image Alpine 3.6, Alpine 3.5 2.0.1-r2
  • sdl2_image Alpine 3.7 2.0.2-r1

alpine advisories ALPINE-CVE-2018-3839

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2018-3839 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-3839 updated cvss 5.0

SDL2_image: code execution in the XCF image rendering functionality

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.62% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0521 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Cisco Systems, Inc. Simple DirectMedia

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.