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Vulnerability record · CVE-2020-14409 · published 19 January 2021

CVE-2020-14409: Libsdl simple directmedia layer integer overflow vulnerability

Libsdl · Simple Directmedia Layer

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file.

7.8 CVSS 3.1 High EPSS 1.3% · top 30.6% CWE-190 · Integer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.libsdl.org/show_bug.cgi?id=5200 Issue TrackingVendor Advisory
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZM Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-55 Third Party Advisory
https://www.starwindsoftware.com/security/sw-20210325-0001/ Third Party Advisory
https://bugzilla.libsdl.org/show_bug.cgi?id=5200 Issue TrackingVendor Advisory
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZM Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-55 Third Party Advisory
https://www.starwindsoftware.com/security/sw-20210325-0001/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-14409), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.