USN-8716-2: FFmpeg vulnerabilities | Ubuntu security notices

USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides
the corresponding fix for Ubuntu 26.04 LTS.

Original advisory details:

It was discovered that FFmpeg incorrectly handled certain crafted media
files in the VobSub subtitle demuxer. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-64830)

It was discovered that FFmpeg incorrectly handled certain crafted HEVC
bitstreams in the Vulkan HEVC hardware decoder. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2026-64831)

It was discovered that FFmpeg incorrectly handled certain crafted video
files in the NVDEC hardware decoder. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
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USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides
the corresponding fix for Ubuntu 26.04 LTS.

Original advisory details:

It was discovered that FFmpeg incorrectly handled certain crafted media
files in the VobSub subtitle demuxer. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-64830)

It was discovered that FFmpeg incorrectly handled certain crafted HEVC
bitstreams in the Vulkan HEVC hardware decoder. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2026-64831)

It was discovered that FFmpeg incorrectly handled certain crafted video
files in the NVDEC hardware decoder. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-64832)

It was discovered that FFmpeg incorrectly handled certain crafted DTS
audio streams in the S/PDIF muxer. An attacker could possibly use this
issue to cause a denial of service or expose sensitive information.
(CVE-2026-64833)

It was discovered that FFmpeg incorrectly handled certain crafted RTP/ASF
streams. An attacker could possibly use this issue to cause a denial of
service. (CVE-2026-64834)

It was discovered that FFmpeg incorrectly handled certain crafted ADX
audio files. An attacker could possibly use this issue to cause a
denial of service or execute arbitrary code. (CVE-2026-64835)

It was discovered that FFmpeg incorrectly handled certain crafted AVI
files in the TDSC video decoder. An attacker could possibly use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2026-65703)

It was discovered that FFmpeg incorrectly handled certain crafted
ffconcat files processed via the TY demuxer. An attacker could possibly
use this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-65704)

It was discovered that FFmpeg incorrectly handled certain crafted video
streams in the vf_floodfill video filter. An attacker could possibly
use this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-65705)

It was discovered that FFmpeg incorrectly handled certain crafted NV12
video frames in the vf_swaprect video filter. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2026-65706)

It was discovered that FFmpeg incorrectly handled certain crafted hvcC
NAL arrays in the HEVC parser. An attacker could possibly use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2026-75141)

It was discovered that FFmpeg incorrectly handled certain crafted MPEG
system headers. An attacker could possibly use this issue to cause a
denial of service or execute arbitrary code. (CVE-2026-75142)

It was discovered that FFmpeg incorrectly handled certain crafted
network input in the librist protocol handler. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2026-75143)

It was discovered that FFmpeg incorrectly handled certain crafted Dirac
data units in the VC2 HQ RTP packetizer. An attacker could possibly use
this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-75144)

It was discovered that FFmpeg incorrectly handled certain crafted DASH
manifests. An attacker could possibly use this issue to cause a denial
of service or expose sensitive information. (CVE-2026-75146)

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