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Vulnerability details: VCID-cdet-k6ha-ukby
Vulnerability ID VCID-cdet-k6ha-ukby
Aliases BIT-pillow-2021-25293
CVE-2021-25293
GHSA-p43w-g3c5-g5mq
PYSEC-2021-39
Summary An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c.
Status Published
Exploitability None
Weighted Severity None
Risk None
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 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25293.json
epss 0.00169 https://api.first.org/data/v1/epss?cve=CVE-2021-25293
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://github.com/advisories/GHSA-p43w-g3c5-g5mq
cvssv4 8.7 https://github.com/advisories/GHSA-p43w-g3c5-g5mq
generic_textual HIGH https://github.com/advisories/GHSA-p43w-g3c5-g5mq
cvssv3.1 7.5 https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.yaml
cvssv4 8.7 https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.yaml
cvssv3.1 7.5 https://github.com/python-pillow/Pillow
cvssv4 8.7 https://github.com/python-pillow/Pillow
generic_textual HIGH https://github.com/python-pillow/Pillow
cvssv3.1 7.5 https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
cvssv4 8.7 https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
generic_textual HIGH https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
cvssv3.1 7.5 https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
cvssv4 8.7 https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
generic_textual HIGH https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-25293
cvssv4 8.7 https://nvd.nist.gov/vuln/detail/CVE-2021-25293
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-25293
cvssv3.1 7.5 https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
cvssv4 8.7 https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
generic_textual HIGH https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
archlinux Medium https://security.archlinux.org/AVG-1635
cvssv3.1 7.5 https://security.gentoo.org/glsa/202107-33
cvssv4 8.7 https://security.gentoo.org/glsa/202107-33
generic_textual HIGH https://security.gentoo.org/glsa/202107-33
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25293.json
https://api.first.org/data/v1/epss?cve=CVE-2021-25293
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25293
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-p43w-g3c5-g5mq
https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.yaml
https://github.com/python-pillow/Pillow
https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
https://nvd.nist.gov/vuln/detail/CVE-2021-25293
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
https://security.gentoo.org/glsa/202107-33
1934705 https://bugzilla.redhat.com/show_bug.cgi?id=1934705
AVG-1635 https://security.archlinux.org/AVG-1635
RHSA-2021:3917 https://access.redhat.com/errata/RHSA-2021:3917
RHSA-2021:4149 https://access.redhat.com/errata/RHSA-2021:4149
USN-4763-1 https://usn.ubuntu.com/4763-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25293.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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/advisories/GHSA-p43w-g3c5-g5mq
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/advisories/GHSA-p43w-g3c5-g5mq
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.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

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none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-39.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/python-pillow/Pillow
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
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

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/python-pillow/Pillow/commit/4853e522bddbec66022c0915b9a56255d0188bf9
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
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

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/python-pillow/Pillow/commit/f891baa604636cd2506a9360d170bc2cf4963cc5
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-25293
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-25293
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

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passive

active

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.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

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none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

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passive

active

high

low

none

high

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/202107-33
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://security.gentoo.org/glsa/202107-33
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

low

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passive

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Exploit Prediction Scoring System (EPSS)
Percentile 0.37769
EPSS Score 0.00169
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:37:14.205043+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/pillow/PYSEC-2021-39.yaml 38.6.0