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CVE-2021-35559

26
FAUCET Score

CVE-2021-35559 is a vulnerability in the Swing component of Java SE and Oracle GraalVM Enterprise Edition, affecting versions 7u311, 8u301, 11.0.12, 17, 20.3.3, and 21.2.0 respectively. This easily exploitable flaw allows an unauthenticated attacker with network access to cause a partial denial of service. With a CVSS score of 5.3 (Medium), it has a low impact on availability and requires no user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
20.3.3CPE matchmatch criteria
cpe:2.3:a:oracle:graalvm:20.3.3:*:*:*:enterprise:*:*:*
21.2.0CPE matchmatch criteria
cpe:2.3:a:oracle:graalvm:21.2.0:*:*:*:enterprise:*:*:*
7CPE matchmatch criteria
cpe:2.3:a:oracle:openjdk:7:update311:*:*:*:*:*:*
8CPE matchmatch criteria
cpe:2.3:a:oracle:openjdk:8:update301:*:*:*:*:*:*
11.0.12CPE matchmatch criteria
cpe:2.3:a:oracle:openjdk:11.0.12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
14.84%
Probability of exploitation in next 30 days
EPSS Percentile
96.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1484 is in the 96th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (22)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Build of OpenJDK 11.0.13
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Build of OpenJDK 17.0.1Fixed in: linux
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Build of OpenJDK 17.0.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Build of OpenJDK 8u312
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: java-1.8.0-openjdk-1:1.8.0.312.b07-1.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: java-11-openjdk-1:11.0.13.0.8-1.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.7.0-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.5.0-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-11-openjdk-1:11.0.13.0.8-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-openjdk-1:1.8.0.312.b07-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-17-openjdk-1:17.0.1.0.12-2.el8_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.7.0-1.el8_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.312.b07-1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: java-11-openjdk-1:11.0.13.0.8-1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.312.b07-1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: java-11-openjdk-1:11.0.13.0.8-1.el8_2
View patch
redhatno patchvia redhat_api
Product: Red Hat build of OpenJDK 11Fixed in: Linux
redhatno patchvia redhat_api
Product: Red Hat build of OpenJDK 11Fixed in: Windows
redhatno patchvia redhat_api
Product: Red Hat build of OpenJDK 17Fixed in: windows
redhatno patchvia redhat_api
Product: Red Hat build of OpenJDK 1.8Fixed in: Linux
redhatno patchvia redhat_api
Product: Red Hat build of OpenJDK 1.8Fixed in: Windows

Vendor Advisories (1)

redhatCVE-2021-35559Moderate

OpenJDK: Excessive memory allocation in RTFReader (Swing, 8265580)

Oct 19, 2021

References

lists.debian.org / debian-lts-announce/2021/11/msg00008.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6EUURAQOIJYFZHQ7DFZCO6IKDPIAWTNK
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7WTVCIVHTX3XONYOEGUMLKCM4QEC6INT
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DJILEHYV2U37HKMGFEQ7CAVOV4DUWW2O
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GTYZWIXDFUV2H57YQZJWPOD3BC3I3EIQ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GXTUWAWXVU37GRNIG4TPMA47THO6VAE6
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/V362B2BWTH5IJDL45QPQGMBKIQOG7JX5
security.gentoo.org / glsa/202209-05
Third Party Advisory
security.netapp.com / advisory/ntap-20211022-0004
Third Party Advisory
security.netapp.com / advisory/ntap-20240621-0006
debian.org / security/2021/dsa-5000
Third Party Advisory
debian.org / security/2021/dsa-5012
Third Party Advisory
oracle.com / security-alerts/cpuoct2021.html
PatchVendor Advisory