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Vulnerability details: VCID-amaf-s9bp-4qa1
Vulnerability ID VCID-amaf-s9bp-4qa1
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)
System Score Found at
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 https://api.first.org/data/v1/epss?cve=CVE-2021-33815
epss 0.00119 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
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-33815
archlinux Medium https://security.archlinux.org/AVG-1989
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

Exploit Prediction Scoring System (EPSS)
Percentile 0.31556
EPSS Score 0.00119
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:06.186214+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/edge/community.json 37.0.0