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Vulnerability details: VCID-tcp3-b9dq-xkbf
Vulnerability ID VCID-tcp3-b9dq-xkbf
Aliases BIT-pillow-2020-10994
CVE-2020-10994
GHSA-vj42-xq3r-hr3r
PYSEC-2020-79
Summary In libImaging/Jpeg2KDecode.c in Pillow before 7.1.0, there are multiple out-of-bounds reads via a crafted JP2 file.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-125 Out-of-bounds Read
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10994.json
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10994
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://github.com/advisories/GHSA-vj42-xq3r-hr3r
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-vj42-xq3r-hr3r
generic_textual HIGH https://github.com/advisories/GHSA-vj42-xq3r-hr3r
cvssv3.1 5.5 https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-79.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-79.yaml
cvssv3.1 5.5 https://github.com/python-pillow/Pillow
generic_textual HIGH https://github.com/python-pillow/Pillow
cvssv3.1 5.5 https://github.com/python-pillow/Pillow/blob/master/docs/releasenotes/7.1.0.rst#security
generic_textual HIGH https://github.com/python-pillow/Pillow/blob/master/docs/releasenotes/7.1.0.rst#security
cvssv3.1 5.5 https://github.com/python-pillow/Pillow/commit/ff60894d697d1992147b791101ad53a8bf1352e4
generic_textual HIGH https://github.com/python-pillow/Pillow/commit/ff60894d697d1992147b791101ad53a8bf1352e4
cvssv3.1 5.5 https://github.com/python-pillow/Pillow/commits/master/src/libImaging
generic_textual HIGH https://github.com/python-pillow/Pillow/commits/master/src/libImaging
cvssv3.1 5.5 https://github.com/python-pillow/Pillow/pull/4505
generic_textual HIGH https://github.com/python-pillow/Pillow/pull/4505
cvssv3.1 5.5 https://github.com/python-pillow/Pillow/pull/4538
generic_textual HIGH https://github.com/python-pillow/Pillow/pull/4538
cvssv3.1 5.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
cvssv3.1 5.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-10994
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-10994
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-10994
cvssv3.1 5.5 https://pillow.readthedocs.io/en/stable/releasenotes
generic_textual HIGH https://pillow.readthedocs.io/en/stable/releasenotes
cvssv3.1 5.5 https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
generic_textual HIGH https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
cvssv3.1 5.5 https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574575
generic_textual HIGH https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574575
cvssv3.1 5.5 https://usn.ubuntu.com/4430-1
generic_textual HIGH https://usn.ubuntu.com/4430-1
cvssv3.1 5.5 https://usn.ubuntu.com/4430-2
generic_textual HIGH https://usn.ubuntu.com/4430-2
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10994.json
https://api.first.org/data/v1/epss?cve=CVE-2020-10994
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10994
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-vj42-xq3r-hr3r
https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-79.yaml
https://github.com/python-pillow/Pillow
https://github.com/python-pillow/Pillow/blob/master/docs/releasenotes/7.1.0.rst#security
https://github.com/python-pillow/Pillow/commit/ff60894d697d1992147b791101ad53a8bf1352e4
https://github.com/python-pillow/Pillow/commits/master/src/libImaging
https://github.com/python-pillow/Pillow/commits/master/src/libImaging/
https://github.com/python-pillow/Pillow/pull/4505
https://github.com/python-pillow/Pillow/pull/4538
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
https://nvd.nist.gov/vuln/detail/CVE-2020-10994
https://pillow.readthedocs.io/en/stable/releasenotes
https://pillow.readthedocs.io/en/stable/releasenotes/
https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574575
https://usn.ubuntu.com/4430-1
https://usn.ubuntu.com/4430-1/
https://usn.ubuntu.com/4430-2
https://usn.ubuntu.com/4430-2/
1852820 https://bugzilla.redhat.com/show_bug.cgi?id=1852820
cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
RHSA-2021:0420 https://access.redhat.com/errata/RHSA-2021:0420
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10994.json
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:N/S:U/C:L/I:N/A:L 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: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/advisories/GHSA-vj42-xq3r-hr3r
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-79.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

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Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/blob/master/docs/releasenotes/7.1.0.rst#security
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/commit/ff60894d697d1992147b791101ad53a8bf1352e4
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/commits/master/src/libImaging
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/pull/4505
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/pull/4538
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

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low

none

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10994
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10994
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://pillow.readthedocs.io/en/stable/releasenotes
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://snyk.io/vuln/SNYK-PYTHON-PILLOW-574575
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://usn.ubuntu.com/4430-1
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://usn.ubuntu.com/4430-2
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 0.59355
EPSS Score 0.00391
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:03.375783+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/pillow/PYSEC-2020-79.yaml 37.0.0