CVE-2026-45382

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, decodercontext::decodesliceunittiles libde265/decctx.cc:920 reads pps.CtbAddrRStoTSctbAddrRS at line 966 where ctbAddrRS = ctbY ctbsWidth + ctbX is computed from PPS-supplied colBd/rowBd arrays without...

CVE-2026-45382

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, decodercontext::decodesliceunittiles libde265/decctx.cc:920 reads pps.CtbAddrRStoTSctbAddrRS at line 966 where ctbAddrRS = ctbY ctbsWidth + ctbX is computed from PPS-supplied colBd/rowBd arrays without...

CVE-2026-49346

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in de265imagegetbuffer libde265/image.cc:128. The overflow wraps the plane allocation size to a sma...

CVE-2026-49346 libde265 has a heap buffer overflow in de265_image_get_buffer via SPS dimension integer overflow

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in de265imagegetbuffer libde265/image.cc:128. The overflow wraps the plane allocation size to a sma...

CVE-2026-49346 libde265 has a heap buffer overflow in de265_image_get_buffer via SPS dimension integer overflow

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in de265imagegetbuffer libde265/image.cc:128. The overflow wraps the plane allocation size to a sma...

PT-2026-51028

Name of the Vulnerable Software and Affected Versions libde265 versions prior to 1.1.0 Description An open source implementation of the h.265 video codec contains a signed integer overflow in the de265 image get buffer function. This occurs when processing a crafted H.265 bitstream with 16-bit bi...

CVE-2026-53702

A stack buffer overflow flaw was found in the GStreamer H.265 codec parser library gst-plugins-bad. When parsing a buffering period SEI message, the parser uses an incorrect loop bound derived from cpbcntminus1i the loop index instead of the sub-layer 0 CPB count cpbcntminus10 from the referenced...

CVE-2026-53702 Gstreamer1-plugins-bad-free: gstreamer: stack buffer overflow in h.265 buffering period sei parser

A stack buffer overflow flaw was found in the GStreamer H.265 codec parser library gst-plugins-bad. When parsing a buffering period SEI message, the parser uses an incorrect loop bound derived from cpbcntminus1i the loop index instead of the sub-layer 0 CPB count cpbcntminus10 from the referenced...

PT-2026-48158

Name of the Vulnerable Software and Affected Versions GPAC MP4Box version 2.4 Description A segmentation violation occurs in the gf hevc read sps bs internal function within the media tools/av parsers.c file. This issue allows attackers to cause a Denial of Service DoS by providing specially...

CVE-2025-52293

A segmentation violaton in the gfhevcreadspsbsinternal function mediatools/avparsers.c of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying crafted HEVC SPS data...

JLSEC-2026-159

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

CVE-2026-33165

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

EUVD-2026-13812

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

CVE-2026-33165

libde265 prior to v1.0.17 is affected by a heap out-of-bounds write triggered by a crafted HEVC bitstream. The root cause is a stale ctb_info.log2unitSize after an SPS change, where PicWidthInCtbsY and PicHeightInCtbsY remain constant while Log2CtbSizeY changes, causing set_SliceHeaderIndex to in...

CVE-2026-33165 heap out-of-bounds write in libde265 1.0.16

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

CVE-2026-33165

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

CVE-2026-33165

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctbinfo.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay...

PT-2026-26678

Name of the Vulnerable Software and Affected Versions libde265 versions prior to 1.0.17 Description libde265 is an open source implementation of the h.265 video codec. A crafted HEVC bitstream can cause an out-of-bounds heap write. This occurs due to a stale ctb info.log2unitSize after an SPS...

CVE-2025-27091

OpenH264 decoding vulnerability (CVE-2025-27091) affects OpenH264 2.5.0 and earlier in both SVC and AVC modes. A race condition between SPS memory allocation and subsequent non-IDR NAL memory usage can enable a remote, unauthenticated attacker to trigger a heap overflow by delivering a crafted bi...

CVE-2022-48434

libavcodec/pthreadframe.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances e.g., hardware re-initialization upon a mid-video SPS change when...