Libbpg
CVE-2018-12447
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.8 and other products, has an integer overflow that leads to a heap-based buffer overflow and remote code execution.
AnalysisAI
The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.8 and other products, has an integer overflow that leads to a heap-based buffer overflow and remote code. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.8 and other products, has an integer overflow that leads to a heap-based buffer overflow and remote code execution. Affected products include: Libbpg Project Libbpg.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.
The build_msps function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (heap-based buf
The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (integer
The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.7 and other products, miscalculate
The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (out-of-b
The image_alloc function in bpgenc.c in libbpg 0.9.7 has an integer overflow, with a resultant invalid malloc and NULL p
An exploitable heap write out of bounds vulnerability exists in the decoding of BPG images in Libbpg library. Rated high
A NULL Pointer Dereference exists in VideoLAN x265, as used in libbpg 0.9.7 and other products, because the CUData::init
The restore_tqb_pixels function in libbpg 0.9.5 through 0.9.7 mishandles the transquant_bypass_enable_flag value, which
Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
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External POC / Exploit Code
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