It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2023-51792 ) It was discovered that libde265 did not properly handle certain malformed media files, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2024-38949 , CVE-2024-38950 ) It was discovered that libde265 did not properly handle certain malformed input, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2025-61147 ) It was discovered that...
It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2023-51792 )
It was discovered that libde265 did not properly handle certain malformed media files, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2024-38949 , CVE-2024-38950 )
It was discovered that libde265 did not properly handle certain malformed input, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2025-61147 )
It was discovered that...
It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2023-51792 ) It was discovered that libde265 did not properly handle certain malformed media files, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2024-38949 , CVE-2024-38950 ) It was discovered that libde265 did not properly handle certain malformed input, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2025-61147 ) It was discovered that libde265 did not properly handle a malformed H.265 PPS NAL unit, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2026-33164 ) It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams, leading to an out-of-bounds write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2026-33165 ) Valentin Mercier discovered that libde265 did not properly validate tile geometry when handling crafted media files, leading to an out-of-bounds read. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or to obtain sensitive information. ( CVE-2026-45382 ) It was discovered that libde265 did not properly validate certain values when decoding crafted media files, leading to an out-of-bounds read. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or to obtain sensitive information. ( CVE-2026-45383 ) Ying Dong discovered that libde265 did not properly validate reference picture set entries when handling a crafted H.265 bitstream, leading to an out-of-bounds write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-49295 ) Ying Dong discovered that libde265 did not properly manage memory when handling a crafted sequence of H.265 NAL units, leading to excessive memory consumption. An attacker could possibly use this issue to cause libde265 to use excessive resources, leading to a denial of service. ( CVE-2026-49337 ) Ying Dong discovered that libde265 did not properly handle certain crafted H.265 bitstreams with large dimensions, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-49346 ) It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams with large dimensions, leading to an out-of-bounds read and write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-54240 ) It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams with large dimensions, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-54241 )
It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2023-51792 )
It was discovered that libde265 did not properly handle certain malformed media files, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2024-38949 , CVE-2024-38950 )
It was discovered that libde265 did not properly handle certain malformed input, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2025-61147 )
It was discovered that libde265 did not properly handle a malformed H.265 PPS NAL unit, leading to a segmentation fault. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2026-33164 )
It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams, leading to an out-of-bounds write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. ( CVE-2026-33165 )
Valentin Mercier discovered that libde265 did not properly validate tile geometry when handling crafted media files, leading to an out-of-bounds read. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or to obtain sensitive information. ( CVE-2026-45382 )
It was discovered that libde265 did not properly validate certain values when decoding crafted media files, leading to an out-of-bounds read. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or to obtain sensitive information. ( CVE-2026-45383 )
Ying Dong discovered that libde265 did not properly validate reference picture set entries when handling a crafted H.265 bitstream, leading to an out-of-bounds write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-49295 )
Ying Dong discovered that libde265 did not properly manage memory when handling a crafted sequence of H.265 NAL units, leading to excessive memory consumption. An attacker could possibly use this issue to cause libde265 to use excessive resources, leading to a denial of service. ( CVE-2026-49337 )
Ying Dong discovered that libde265 did not properly handle certain crafted H.265 bitstreams with large dimensions, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-49346 )
It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams with large dimensions, leading to an out-of-bounds read and write. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-54240 )
It was discovered that libde265 did not properly handle certain crafted HEVC bitstreams with large dimensions, leading to a heap buffer overflow. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2026-54241 )
In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions:
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
