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CVE-2020-11863

21
FAUCET Score

CVE-2020-11863 is a denial-of-service vulnerability affecting libEMF (ECMA-234 Metafile Library) versions through 1.0.11, impacting various Fedora and openSUSE distributions. Rated as Medium severity (CVSS 5.5), it can be triggered by an unprivileged attacker through user interaction, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion or media coverage, indicating a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.11CPE matchmatch criteria
cpe:2.3:a:libemf_project:libemf:*:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 72nd percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2020-11863Moderate

libEMF: allows denial of service (issue 1 of 2)

May 11, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-06/msg00036.html
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2DFYDSKWFM2R5NKZOO2IN6X7SM3T2PWL
sourceforge.net / p/libemf/code/commit_browser
Third Party Advisory
sourceforge.net / p/libemf/mailman/libemf-devel
Third Party Advisory
sourceforge.net / p/libemf/news/2020/05/re-release-of-libemf-1012
PatchRelease NotesThird Party Advisory