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Vulnerability details: VCID-t9xj-4mu8-aaap
Vulnerability ID VCID-t9xj-4mu8-aaap
Aliases CVE-2021-33815
Summary dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an out-of-bounds array access because dc_count is not strictly checked.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-129 Improper Validation of Array Index
System Score Found at
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
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epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
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epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
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epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
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epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00183 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00231 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00231 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00231 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00231 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00684 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-33815
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-33815
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-33815
archlinux Medium https://security.archlinux.org/AVG-1989
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-33815
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/FFmpeg/FFmpeg/commit/26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777
https://security.gentoo.org/glsa/202312-14
AVG-1989 https://security.archlinux.org/AVG-1989
cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*
CVE-2021-33815 https://nvd.nist.gov/vuln/detail/CVE-2021-33815
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-33815
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-33815
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-33815
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.33016
EPSS Score 0.00156
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.