Debian Security Advisory

DLA-2804-1 libsdl1.2 -- LTS security update

Date Reported:
31 Oct 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 924609.
In Mitre's CVE dictionary: CVE-2019-7572, CVE-2019-7573, CVE-2019-7574, CVE-2019-7575, CVE-2019-7576, CVE-2019-7577, CVE-2019-7578, CVE-2019-7635, CVE-2019-7636, CVE-2019-7637, CVE-2019-7638, CVE-2019-13616.
More information:

Several vulnerability have been fixed in libsdl2, the older version of the Simple DirectMedia Layer library that provides low level access to audio, keyboard, mouse, joystick, and graphics hardware.

  • CVE-2019-7572

    Buffer over-read in IMA_ADPCM_nibble in audio/SDL_wave.c

  • CVE-2019-7573

    Heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c

  • CVE-2019-7574

    Heap-based buffer over-read in IMA_ADPCM_decode in audio/SDL_wave.c

  • CVE-2019-7575

    Heap-based buffer overflow in MS_ADPCM_decode in audio/SDL_wave.c

  • CVE-2019-7576

    Heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c

  • CVE-2019-7577

    Buffer over-read in SDL_LoadWAV_RW in audio/SDL_wave.c

  • CVE-2019-7578

    Heap-based buffer over-read in InitIMA_ADPCM in audio/SDL_wave.c

  • CVE-2019-7635

    Heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c

  • CVE-2019-7636

    Heap-based buffer over-read in SDL_GetRGB in video/SDL_pixels.c

  • CVE-2019-7637

    Heap-based buffer overflow in SDL_FillRect in video/SDL_surface.c

  • CVE-2019-7638

    Heap-based buffer over-read in Map1toN in video/SDL_pixels.c

  • CVE-2019-13616

    Heap-based buffer over-read in BlitNtoN in video/SDL_blit_N.c

For Debian 9 stretch, these problems have been fixed in version 1.2.15+dfsg1-4+deb9u1.

We recommend that you upgrade your libsdl1.2 packages.

For the detailed security status of libsdl1.2 please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: