CVE-2021-36409
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1...
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
CVE-2021-36409- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-617
- Updated
- 2026-11-02
CVE List No score
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
CVE-2021-36409- Updated
- 2026-11-02
EUVDEUVD-2021-23012 No score
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
EUVD-2021-23012- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wgpj-6x6j-fh7r
7.8
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1...
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
GHSA-wgpj-6x6j-fh7r- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
OSV
7.8
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
CVE-2021-36409- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-36409
7.8
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
DEBIAN-CVE-2021-36409- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-36409
7.8
There is an Assertion `scaling_list_pred_matrix_id_delta==1' failed at sps.cc:925 in libde265 v1.0.8 when decoding file, which allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file or possibly have unspecified other impact.
- Record
UBUNTU-CVE-2021-36409- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2023-0093 No score
Updated libde265 packages fix security vulnerability
libde265 has been updated to version 1.0.11 to fix many security issues.
- Record
MGASA-2023-0093- Updated
- 2026-11-02
OSVUSN-6627-1 No score
libde265 vulnerabilities
It was discovered that libde265 could be made to read out of bounds. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2021-35452, CVE-2021-36411, CVE-2022-43238, CVE-2022-43241, CVE-2022-43242)
It was discovered that libde265 did not properly manage memory. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2021-36408)
It was discovered that libde265 contained a logical error. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2021-36409)
It was discovered that libde265 could be made to write out of bounds. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-36410, CVE-2022-43235, CVE-2022-43236, CVE-2022-43237, CVE-2022-43239, CVE-2022-43240, CVE-2022-43243, CVE-2022-43248, CVE-2022-43252, CVE-2022-43253)
It was discovered that libde265 could be made to write out of bounds. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-1253)
- Record
USN-6627-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libde265Debian:12 |
before 1.0.8-1.1 | 1.0.8-1.1 |
libde265Debian:13 |
before 1.0.8-1.1 | 1.0.8-1.1 |
libde265Debian:14 |
before 1.0.8-1.1 | 1.0.8-1.1 |
libde265Debian:10 From an advisory covering 16 CVEs |
before 1.0.3-1+deb10u1, plus listed versions 1.0.3-1 |
1.0.3-1+deb10u1 |
libde265Debian:11 From an advisory covering 46 CVEs |
before 1.0.11-0+deb11u1, plus listed versions 1.0.8-11.0.8-1.11.0.9-11.0.9-1.1 |
1.0.11-0+deb11u1 |
libde265Mageia:8 From an advisory covering 46 CVEs |
before 1.0.11-1.mga8 | 1.0.11-1.mga8 |
libde265Mageia:8 From an advisory covering 46 CVEs |
before 1.0.11-1.mga8.tainted | 1.0.11-1.mga8.tainted |
libde265Ubuntu:Pro:16.04:LTS |
before 1.0.2-2ubuntu0.16.04.1~esm2, plus listed versions 1.0.2-1build11.0.2-21.0.2-2ubuntu0.16.04.1~esm1 |
1.0.2-2ubuntu0.16.04.1~esm2 |
libde265Ubuntu:Pro:18.04:LTS |
before 1.0.2-2ubuntu0.18.04.1~esm2, plus listed versions 1.0.2-2build11.0.2-2ubuntu0.18.04.1~esm1 |
1.0.2-2ubuntu0.18.04.1~esm2 |
libde265Ubuntu:20.04:LTS |
before 1.0.4-1ubuntu0.2, plus listed versions 1.0.3-1build11.0.4-11.0.4-1build11.0.4-1ubuntu0.1 |
1.0.4-1ubuntu0.2 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
libde265Ubuntu:22.04:LTS |
before 1.0.8-1ubuntu0.1, plus listed versions 1.0.8-1 |
1.0.8-1ubuntu0.1 |
libde265Ubuntu:Pro:16.04:LTS From an advisory covering 18 CVEs |
before 1.0.2-2ubuntu0.16.04.1~esm2, plus listed versions 1.0.2-1build11.0.2-21.0.2-2ubuntu0.16.04.1~esm1 |
1.0.2-2ubuntu0.16.04.1~esm2 |
libde265Ubuntu:Pro:18.04:LTS From an advisory covering 18 CVEs |
before 1.0.2-2ubuntu0.18.04.1~esm2, plus listed versions 1.0.2-2build11.0.2-2ubuntu0.18.04.1~esm1 |
1.0.2-2ubuntu0.18.04.1~esm2 |
libde265Ubuntu:20.04:LTS From an advisory covering 18 CVEs |
before 1.0.4-1ubuntu0.2, plus listed versions 1.0.3-1build11.0.4-11.0.4-1build11.0.4-1ubuntu0.1 |
1.0.4-1ubuntu0.2 |
libde265Ubuntu:22.04:LTS From an advisory covering 18 CVEs |
before 1.0.8-1ubuntu0.1, plus listed versions 1.0.8-1 |
1.0.8-1ubuntu0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36409 is a high vulnerability (CVSS 7.8) in Struktur Libde265, published January 10, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 61st percentile. Fixed in libde265 1.0.8-1.1.
References
github.com/strukturag/libde265/issues/300
lists.debian.org/debian-lts-announce/2022/12/msg00027.html
debian.org/security/2023/dsa-5346
nvd.nist.gov/vuln/detail/CVE-2021-36409
github.com/advisories/GHSA-wgpj-6x6j-fh7r
security-tracker.debian.org/tracker/CVE-2021-36409
Show 25 moreShow less
advisories.mageia.org/MGASA-2023-0093.html
bugs.mageia.org/show_bug.cgi?id=31289
debian.org/lts/security/2022/dla-3240
debian.org/lts/security/2023/dla-3280
debian.org/lts/security/2023/dla-3352
ubuntu.com/security/CVE-2021-36409
ubuntu.com/security/notices/USN-6627-1
cve.org/CVERecord?id=CVE-2021-36409
ubuntu.com/security/CVE-2021-35452
ubuntu.com/security/CVE-2021-36408
ubuntu.com/security/CVE-2021-36410
ubuntu.com/security/CVE-2021-36411
ubuntu.com/security/CVE-2022-1253
ubuntu.com/security/CVE-2022-43235
ubuntu.com/security/CVE-2022-43236
ubuntu.com/security/CVE-2022-43237
ubuntu.com/security/CVE-2022-43238
ubuntu.com/security/CVE-2022-43239
ubuntu.com/security/CVE-2022-43240
ubuntu.com/security/CVE-2022-43241
ubuntu.com/security/CVE-2022-43242
ubuntu.com/security/CVE-2022-43243
ubuntu.com/security/CVE-2022-43248
ubuntu.com/security/CVE-2022-43252
ubuntu.com/security/CVE-2022-43253