CVE-2020-22035: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-22035DEBIAN-CVE-2020-22035
Published 01-06-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-22035 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.17%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 2 · Duplicates 2 · Related 1Timeline
- 01-06-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.17%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
-0.01 pp
From 1.18% on 19-09-2026
19-09-202619-10-2026
EPSS score1.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (trac.ffmpeg.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- ffmpeg< 7:4.3-2
- debian_linuxEOL10.0
Ubuntu2 products
- ffmpeg< 7:4.2.7-0ubuntu0.1
- qtwebengine-opensource-srcAll versions (No fix recorded)
Ffmpeg1 product
- ffmpegEOL4.2
3 vendors · 5 products
