CVE-2020-11865 [High] | Memory Corruption in Libemf

CVE-2020-11865 is rated Moderate Risk (51.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.41%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-03-30	0.80%	0.41%	-0.39%
2	2025-03-29	0.41%	0.80%	+0.39%
3	2025-03-17	—	0.41%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-03-30

0.80%

0.41%

-0.39%

2025-03-29

0.41%

0.80%

+0.39%

2025-03-17

—

0.41%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:H) Serious risk that confidential data gets exposed in a big 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.	1.8	5.9	[email protected]
6.8	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:P/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:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.6	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:H): Serious risk that confidential data gets exposed in a big 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.

1.8

5.9

[email protected]

6.8

2.0

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/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:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

6.4

[email protected]

OS Trackers for CVE-2020-11865

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2020-11865 not yet assigned priority: Debian including 1 source packages (libemf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2020-11865
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2020-11865
`suse`	high	CVE-2020-11865 severity important: SUSE including 16 source package names (libEMF-devel-1.0.13-1.6, libEMF-devel-1.0.13-160000.3.2, …), 22 product×package rows across 13 product lines (SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP3, SUSE Linux Enterprise Server 16.0, … (13 product lines)): Fixed 22.	https://www.suse.com/security/cve/CVE-2020-11865/
`ubuntu`	medium	CVE-2020-11865 medium priority: Ubuntu including 1 source packages (libemf), 17 status rows across 17 suites (bionic, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 11, DNE 2, needs-triage 2, ignored 1, released 1.	https://ubuntu.com/security/CVE-2020-11865

Affected software / configurations for CVE-2020-11865

Vendor	Product	Version	Raw CPE
libemf_project	libemf	<= 1.0.11	cpe:2.3:a:libemf_project:libemf::::::::
fedoraproject	fedora	31	cpe:2.3:o:fedoraproject:fedora:31:::::::*
opensuse	leap	15.1	cpe:2.3:o:opensuse:leap:15.1:::::::*

References for CVE-2020-11865

URL	Tags
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00036.html	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DFYDSKWFM2R5NKZOO2IN6X7SM3T2PWL/
https://sourceforge.net/p/libemf/code/commit_browser	Third Party Advisory
https://sourceforge.net/p/libemf/mailman/libemf-devel/	Third Party Advisory
https://sourceforge.net/p/libemf/news/2020/05/re-release-of-libemf-1012/	Patch Release Notes Third Party Advisory

URL

CVE-2020-11865

Exploit prediction scoring system (EPSS) score for CVE-2020-11865

Common vulnerability scoring system (CVSS) metrics for CVE-2020-11865

Weakness enumeration for CVE-2020-11865

OS Trackers for CVE-2020-11865

Affected software / configurations for CVE-2020-11865

References for CVE-2020-11865