CVE-2022-24303 [Critical] | Security Vulnerability in Pillow

CVE-2022-24303 is rated High Risk (66.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.81%). High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-30	2.73%	2.81%	+0.08%
2	2026-06-15	2.20%	2.73%	+0.54%
3	2026-05-30	—	2.20%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-30

2.73%

2.81%

+0.08%

2026-06-15

2.20%

2.73%

+0.54%

2026-05-30

—

2.20%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.1	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.2	[email protected]
6.4	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:N/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.1

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.2

[email protected]

6.4

2.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

4.9

[email protected]

OS Trackers for CVE-2022-24303

vendor	priority	summary	link
`alpine`	critical	CVE-2022-24303: 1 source package rows (py3-pillow); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0.	https://security.alpinelinux.org/vuln/CVE-2022-24303
`debian`	not yet assigned	CVE-2022-24303 not yet assigned priority: Debian including 1 source packages (pillow), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2022-24303
`gentoo`	high	CVE-2022-24303: 1 GLSA(s) (202211-10), 1 atom(s) (dev-python/pillow); latest impact high.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-24303
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2022-24303
`suse`	medium	CVE-2022-24303 severity moderate: SUSE including 17 source package names (python-Pillow, python310-Pillow-9.0.1-1.1, …), 21 product×package rows across 8 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Module for Python 3 15 SP6, … (8 product lines)): Fixed 16, Known Not Affected 5.	https://www.suse.com/security/cve/CVE-2022-24303/
`ubuntu`	low	CVE-2022-24303 low priority: Ubuntu including 2 source packages (pillow, pillow-python2), 26 status rows across 13 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): DNE 11, not-affected 10, released 3, ignored 1, needs-triage 1.	https://ubuntu.com/security/CVE-2022-24303

Affected software / configurations for CVE-2022-24303

Vendor	Product	Version	Raw CPE
python	pillow	< 9.0.1	cpe:2.3:a:python:pillow::::::::
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*

References for CVE-2022-24303

URL	Tags
https://github.com/python-pillow/Pillow/pull/3450	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W4ZUXPKEX72O3E5IHBPVY5ZCPMJ4GHHV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XR6UP2XONXOVXI4446VY72R63YRO2YTP/
https://pillow.readthedocs.io/en/stable/releasenotes/9.0.1.html#security	Release Notes Vendor Advisory
https://security.gentoo.org/glsa/202211-10	Third Party Advisory

URL

CVE-2022-24303

Exploit prediction scoring system (EPSS) score for CVE-2022-24303

Common vulnerability scoring system (CVSS) metrics for CVE-2022-24303

Weakness enumeration for CVE-2022-24303

GitHub Security Advisory for CVE-2022-24303

OS Trackers for CVE-2022-24303

Affected software / configurations for CVE-2022-24303

References for CVE-2022-24303