CVE-2016-3076 [Medium] | Memory Corruption in Pillow

CVE-2016-3076 is rated Moderate Risk (53.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.56%). EPSS rose +2.04% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.52%	2.56%	+2.04%
2	2023-04-04	0.44%	0.52%	+0.08%
3	2023-03-07	—	0.44%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.52%

2.56%

+2.04%

2023-04-04

0.44%

0.52%

+0.08%

2023-03-07

—

0.44%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.5	3.0	MEDIUM	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. 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:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. 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:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	3.6	[email protected]
4.3	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	8.6	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.5

3.0

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
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:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

3.6

[email protected]

4.3

2.0

MEDIUM

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

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

2.9

[email protected]

OS Trackers for CVE-2016-3076

vendor	priority	summary	link
`debian`	unimportant	CVE-2016-3076 unimportant 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-2016-3076
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2016-3076
`suse`	medium	CVE-2016-3076 severity moderate: SUSE including 23 source package names (python-Pillow-2.7.0-4.3.1, python-Pillow-2.8.1-3.3.1, …), 24 product×package rows across 8 product lines (SUSE Enterprise Storage 4, SUSE Enterprise Storage 5, … (8 product lines)): Fixed 24.	https://www.suse.com/security/cve/CVE-2016-3076/
`ubuntu`	low	CVE-2016-3076 low priority: Ubuntu including 2 source packages (pillow, python-imaging), 10 status rows across 5 suites (precise, trusty, upstream, wily, xenial): DNE 4, not-affected 3, needs-triage 2, ignored 1.	https://ubuntu.com/security/CVE-2016-3076

Affected software / configurations for CVE-2016-3076

Vendor	Product	Version	Raw CPE
python	pillow	2.5.0	cpe:2.3:a:python:pillow:2.5.0:::::::*
python	pillow	2.5.1	cpe:2.3:a:python:pillow:2.5.1:::::::*
python	pillow	2.5.2	cpe:2.3:a:python:pillow:2.5.2:::::::*
python	pillow	2.5.3	cpe:2.3:a:python:pillow:2.5.3:::::::*
python	pillow	2.6.0	cpe:2.3:a:python:pillow:2.6.0:::::::*
python	pillow	2.6.0	cpe:2.3:a:python:pillow:2.6.0:rc1::::::
python	pillow	2.6.1	cpe:2.3:a:python:pillow:2.6.1:::::::*
python	pillow	2.6.2	cpe:2.3:a:python:pillow:2.6.2:::::::*
python	pillow	2.7.0	cpe:2.3:a:python:pillow:2.7.0:::::::*
python	pillow	2.8.0	cpe:2.3:a:python:pillow:2.8.0:::::::*
python	pillow	2.8.1	cpe:2.3:a:python:pillow:2.8.1:::::::*
python	pillow	2.8.2	cpe:2.3:a:python:pillow:2.8.2:::::::*
python	pillow	2.9.0	cpe:2.3:a:python:pillow:2.9.0:::::::*
python	pillow	2.9.0	cpe:2.3:a:python:pillow:2.9.0:dev0::::::
python	pillow	2.9.0	cpe:2.3:a:python:pillow:2.9.0:dev1::::::
python	pillow	2.9.0	cpe:2.3:a:python:pillow:2.9.0:dev2::::::
python	pillow	3.0.0	cpe:2.3:a:python:pillow:3.0.0:::::::*
python	pillow	3.0.0	cpe:2.3:a:python:pillow:3.0.0:rc1::::::
python	pillow	3.1.0	cpe:2.3:a:python:pillow:3.1.0:::::::*

References for CVE-2016-3076

URL	Tags
http://pillow.readthedocs.io/en/4.1.x/releasenotes/3.1.2.html	Release Notes Vendor Advisory
http://www.securityfocus.com/bid/98042
https://bugzilla.redhat.com/show_bug.cgi?id=1321929	Issue Tracking Third Party Advisory VDB Entry

URL

CVE-2016-3076

Exploit prediction scoring system (EPSS) score for CVE-2016-3076

Common vulnerability scoring system (CVSS) metrics for CVE-2016-3076

Weakness enumeration for CVE-2016-3076

GitHub Security Advisory for CVE-2016-3076

OS Trackers for CVE-2016-3076

Affected software / configurations for CVE-2016-3076

References for CVE-2016-3076