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HIGH

CVE-2021-29059

CVSS v3

7.5

HIGH

EPSS Score

2.6 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • is-svgnpmfrom 2.1.0 · fixed in 4.3.0

Vendor advisories

  • CVE-2021-29059 Red Hat Product Security7 products fixed · 21 known affected

    nodejs-is-svg: Regular expression denial of service if the application is provided and checks a crafted invalid SVG string

    servicemesh-grafana as a component of OpenShift Service Mesh 1 · servicemesh-grafana-prometheus as a component of OpenShift Service Mesh 1 · servicemesh-grafana.src as a component of OpenShift Service Mesh 1

  • RHSA-2021:3759 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.9.0 bug fix and security update

  • RHSA-2021:2438 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.8.2 bug fix and security update

Full record on NVD

Description

A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

Technical details

Published
2021-06-21

Frequently asked questions

What is CVE-2021-29059?

A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

Is CVE-2021-29059 actively exploited?

Active exploitation of CVE-2021-29059 has not been confirmed. Its EPSS score was 2.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-29059?

CVE-2021-29059 has a CVSS v3 base score of 7.5 (HIGH severity).

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