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7 vulnerabilities found for libde265 by strukturag

CVE-2026-45383 (GCVE-0-2026-45383)
Vulnerability from cvelistv5
Published
2026-07-21 21:00
Modified
2026-07-22 15:36
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Summary
libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.0.19 have a heap buffer overflow (out-of-bounds READ) exists in `decoder_context::decode_slice_unit_WPP()` in `libde265/decctx.cc`. When decoding a WPP (Wavefront Parallel Processing) HEVC slice, `ctbAddrRS` is computed as `ctbRow * ctbsWidth` inside the entry-point loop. If the PPS/SPS headers are crafted so that this value exceeds `pps.CtbAddrRStoTS.size()`, the subsequent array access `pps.CtbAddrRStoTS[ctbAddrRS]` reads past the end of the allocated vector, triggering a heap-buffer-overflow confirmed by AddressSanitizer. Version 1.0.19 patches the issue.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.19
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CVE-2026-45382 (GCVE-0-2026-45382)
Vulnerability from cvelistv5
Published
2026-07-21 20:57
Modified
2026-07-23 14:10
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Summary
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, `decoder_context::decode_slice_unit_tiles` (libde265/decctx.cc:920) reads `pps.CtbAddrRStoTS[ctbAddrRS]` at line 966 where `ctbAddrRS = ctbY * ctbsWidth + ctbX` is computed from PPS-supplied `colBd[]`/`rowBd[]` arrays without validating the result against `CtbAddrRStoTS.size() == sps->PicSizeInCtbsY`. A malformed PPS that passes `set_derived_values` but encodes geometry inconsistent with the SPS produces a `ctbAddrRS` past the allocation, causing a 4-byte heap-buffer-overflow READ. Version 1.0.19 fixes the issue.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.19
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CVE-2026-49346 (GCVE-0-2026-49346)
Vulnerability from cvelistv5
Published
2026-06-19 20:12
Modified
2026-06-22 14:05
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
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 `de265_image_get_buffer()` (`libde265/image.cc:128`). The overflow wraps the plane allocation size to a small value (~1 KB), but the subsequent `fill_image()` call computes the real size using `size_t`, writing ~4 GB into the undersized heap buffer. Version 1.1.0 patches the issue.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.1.0
 Create a notification for this product.
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CVE-2026-49295 (GCVE-0-2026-49295)
Vulnerability from cvelistv5
Published
2026-06-19 20:09
Modified
2026-06-22 17:18
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
CWE
Summary
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in `decoder_context::process_reference_picture_set()` (`libde265/decctx.cc:1376`). The root cause is a missing aggregate bound check on predicted short-term reference picture set entries. Individual list sizes are validated, but the combined count after predicted RPS construction can exceed the 16-entry `PocStFoll` array, writing at index 16. Version 1.0.20 patches the issue.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.20
 Create a notification for this product.
Show details on NVD website

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CVE-2026-49337 (GCVE-0-2026-49337)
Vulnerability from cvelistv5
Published
2026-06-19 19:53
Modified
2026-06-22 14:00
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes `decoder_context::read_slice_NAL()` (`libde265/decctx.cc:481`) to attach slice headers to a finished picture object that has no active image unit, resulting in attacker-controlled unbounded heap growth. The retained headers are never freed until the picture is released, which may not happen during continuous streaming. Version 1.0.20 patches the issue.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.20
 Create a notification for this product.
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CVE-2026-33164 (GCVE-0-2026-33164)
Vulnerability from cvelistv5
Published
2026-03-20 20:33
Modified
2026-03-23 16:50
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.17
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Show details on NVD website

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CVE-2026-33165 (GCVE-0-2026-33165)
Vulnerability from cvelistv5
Published
2026-03-20 20:32
Modified
2026-03-24 18:48
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
Summary
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 ctb_info.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay constant but Log2CtbSizeY changes, causing set_SliceHeaderIndex to index past the allocated image metadata array and write 2 bytes past the end of a heap allocation. This issue has been patched in version 1.0.17.
References
Impacted products
Vendor Product Version
strukturag libde265 Version: < 1.0.17
 Create a notification for this product.
Show details on NVD website

To clipboard 

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