VideolanCVEs & Vulnerabilities

An integer overflow in dav1d AV1 decoder that can occur when decoding videos with large frame size. This can lead to memory corruption within the AV1 decoder. We recommend upgrading past version 1.4.0 of dav1d.

A binary hijacking vulnerability exists within the VideoLAN VLC media player before 3.0.19 on Windows. The uninstaller attempts to execute code with elevated privileges out of a standard user writable location. Standard users may use this to gain arbitrary code execution as SYSTEM.

Videolan VLC prior to version 3.0.20 contains an Integer underflow that leads to an incorrect packet length.

Videolan VLC prior to version 3.0.20 contains an incorrect offset read that leads to a Heap-Based Buffer Overflow in function GetPacket() and results in a memory corruption.

VideoLAN dav1d before 1.2.0 has a thread_task.c race condition that can lead to an application crash, related to dav1d_decode_frame_exit.

An integer overflow in the VNC module in VideoLAN VLC Media Player through 3.0.17.4 allows attackers, by tricking a user into opening a crafted playlist or connecting to a rogue VNC server, to crash VLC or execute code under some conditions.

A NULL-pointer dereference in "Open" in avi.c of VideoLAN VLC Media Player 3.0.11 can a denial of service (DOS) in the application.

A buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

A buffer overflow vulnerability in the AVI_ExtractSubtitle component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.

A heap-based buffer overflow in the hxxx_AnnexB_to_xVC function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player before 3.0.11 for macOS/iOS allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted H.264 Annex-B video (.avi for example) file.

An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.

The web interface in VideoLAN VLC media player before 2.0.7 has no access control which allows remote attackers to view directory listings via the 'dir' command or issue other commands without authenticating.

Multiple cross-site scripting (XSS) vulnerabilities in the HTTP Interface in VideoLAN VLC Media Player before 2.0.7 allow remote attackers to inject arbitrary web script or HTML via the (1) command parameter to requests/vlm_cmd.xml, (2) dir parameter to requests/browse.xml, or (3) URI in a request, which is returned in an error message through share/lua/intf/http.lua.

The rtp_packetize_xiph_config function in modules/stream_out/rtpfmt.c in VideoLAN VLC media player before 2.1.6 uses a stack-allocation approach with a size determined by arbitrary input data, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted length value.

Integer overflow in the Encode function in modules/codec/schroedinger.c in VideoLAN VLC media player before 2.1.6 and 2.2.x before 2.2.1 allows remote attackers to conduct buffer overflow attacks and execute arbitrary code via a crafted length value.

The MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 allows remote attackers to trigger an unintended zero-size malloc and conduct buffer overflow attacks, and consequently execute arbitrary code, via a box size of 7.

The MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 performs an incorrect cast operation from a 64-bit integer to a 32-bit integer, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large box size.

Integer underflow in the MP4_ReadBox_String function in modules/demux/mp4/libmp4.c in VideoLAN VLC media player before 2.1.6 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a box size less than 7.

The GetUpdateFile function in misc/update.c in the Updater in VideoLAN VLC media player before 2.1.6 performs an incorrect cast operation from a 64-bit integer to a 32-bit integer, which allows remote attackers to conduct buffer overflow attacks and execute arbitrary code via a crafted update status file, aka an "integer truncation" vulnerability.

libbluray MountManager class has a time-of-check time-of-use (TOCTOU) race when expanding JAR files

When executing VideoLAN VLC media player 3.0.8 with libqt on Windows, Data from a Faulting Address controls Code Flow starting at libqt_plugin!vlc_entry_license__3_0_0f+0x00000000003b9aba. NOTE: the VideoLAN security team indicates that they have not been contacted, and have no way of reproducing this issue.

A vulnerability in mkv::event_thread_t in VideoLAN VLC media player 3.0.7.1 allows remote attackers to trigger a heap-based buffer overflow via a crafted .mkv file.

The mkv::virtual_segment_c::seek method of demux/mkv/virtual_segment.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.

The Control function of demux/mkv/mkv.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.

A heap-based buffer over-read exists in DemuxInit() in demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1 via a crafted .mkv file.

In VideoLAN VLC media player 3.0.7.1, there is a NULL pointer dereference at the function SeekPercent of demux/asf/asf.c that will lead to a denial of service attack.

The Control function of demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1 has a use-after-free.

A divide-by-zero error exists in the SeekIndex function of demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1. As a result, an FPE can be triggered via a crafted WMV file.

A divide-by-zero error exists in the Control function of demux/caf.c in VideoLAN VLC media player 3.0.7.1. As a result, an FPE can be triggered via a crafted CAF file.

A heap-based buffer over-read in xiph_PackHeaders() in modules/demux/xiph.h in VideoLAN VLC media player 3.0.7.1 allows remote attackers to trigger a heap-based buffer over-read via a crafted .ogg file.

The xiph_SplitHeaders function in modules/demux/xiph.h in VideoLAN VLC media player 3.0.7.1 does not check array bounds properly. As a result, a heap-based buffer over-read can be triggered via a crafted .ogg file.

Double Free in VLC versions <= 3.0.6 leads to a crash.

An Integer underflow in VLC Media Player versions < 3.0.7 leads to an out-of-band read.

lavc_CopyPicture in modules/codec/avcodec/video.c in VideoLAN VLC media player through 3.0.7 has a heap-based buffer over-read because it does not properly validate the width and height.

libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.

An Integer Underflow in MP4_EIA608_Convert() in modules/demux/mp4/mp4.c in VideoLAN VLC media player through 3.0.7.1 allows remote attackers to cause a denial of service (heap-based buffer overflow and crash) or possibly have unspecified other impact via a crafted .mp4 file.

An issue was discovered in zlib_decompress_extra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through 3.0.7. The Matroska demuxer, while parsing a malformed MKV file type, has a double free.

A Buffer Overflow in VLC Media Player < 3.0.7 causes a crash which can possibly be further developed into a remote code execution exploit.

A local, authenticated attacker can bypass the passcode in the VideoLAN VLC media player app before 3.1.5 for iOS by opening a URL and turning the phone.

The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative. This could result in a denial of service and/or a potential infoleak.

VideoLAN VLC media player 2.2.x is prone to a use after free vulnerability which an attacker can leverage to execute arbitrary code via crafted MKV files. Failed exploit attempts will likely result in denial of service conditions.

The vlc_demux_chained_Delete function in input/demux_chained.c in VideoLAN VLC media player 3.0.1 allows remote attackers to cause a denial of service (heap corruption and application crash) or possibly have unspecified other impact via a crafted .swf file.

In VideoLAN VLC media player through 2.2.8, there is a type conversion vulnerability in modules/demux/mp4/libmp4.c in the MP4 demux module leading to a invalid free, because the type of a box may be changed between a read operation and a free operation.

avcodec 2.2.x, as used in VideoLAN VLC media player 2.2.7-x before 2017-06-29, allows out-of-bounds heap memory write due to calling memcpy() with a wrong size, leading to a denial of service (application crash) or possibly code execution.

plugins\audio_filter\libmpgatofixed32_plugin.dll in VideoLAN VLC media player 2.2.4 allows remote attackers to cause a denial of service (invalid read and application crash) or possibly have unspecified other impact via a crafted file.

plugins\codec\libflac_plugin.dll in VideoLAN VLC media player 2.2.4 allows remote attackers to cause a denial of service (heap corruption and application crash) or possibly have unspecified other impact via a crafted FLAC file.