CVE-2020-14409

NameCVE-2020-14409
DescriptionSDL (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2536-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsdl2 (PTS)stretch2.0.5+dfsg1-2vulnerable
stretch (security)2.0.5+dfsg1-2+deb9u1fixed
buster2.0.9+dfsg1-1vulnerable
bullseye, sid2.0.14+dfsg2-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsdl2sourcestretch2.0.5+dfsg1-2+deb9u1DLA-2536-1
libsdl2source(unstable)2.0.14+dfsg2-2

Notes

[buster] - libsdl2 <no-dsa> (Minor issue)
https://bugzilla.libsdl.org/show_bug.cgi?id=5200
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9
Specific to SDL2, these checks were addresses in SDL 1.2 with CVE-2019-7637

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