7.8

CVE-2021-36409: debian debian_linux Reachable Assertion

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2021-36409DEBIAN-CVE-2021-36409
Published 10-01-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-36409 is a high (CVSS 7.8) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
DLA-3240-1DSA-5346-1MGASA-2023-0093USN-6627-1

Timeline

  1. 10-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libde265

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Struktur1 product
Ubuntu1 product
  • libde265< 1.0.2-2ubuntu0.16.04.1~esm2 | < 1.0.2-2ubuntu0.18.04.1~esm2 | < 1.0.4-1ubuntu0.2 | < 1.0.8-1ubuntu0.1

3 vendors · 4 products

References

7 links