5.3

CVE-2026-20676: apple ios and ipados Uncontrolled Resource Consumption

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2026-20676DEBIAN-CVE-2026-20676CGA-2cpx-7hpj-c6xv
Published 11-02-2026Last modified 07-04-2026
Open JSON

Vulnerability summary

CVE-2026-20676 is a medium (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in apple ios and ipados. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.5% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 7
DSA-6172-1MGASA-2026-0064OPENSUSE-SU-2026:20518-1RHSA-2026:10702RHSA-2026:11329RHSA-2026:11814

Timeline

  1. 11-02-2026
    PublishedVulnerability first disclosed.
  2. 07-04-2026
    Last modifiedVulnerability information updated.

Description

This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

+0.04 pp

From 0.23% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard39 products
  • openjdk-11-openj9< 0.59.0-r2
  • openjdk-11-openj9-dbg< 0.59.0-r2
  • openjdk-11-openj9-default-jdk< 0.59.0-r2
  • openjdk-11-openj9-default-jvm< 0.59.0-r2
  • openjdk-11-openj9-doc< 0.59.0-r2
Apple6 products
Ubuntu5 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtkAll versions (No fix recorded) | < 2.52.3-0ubuntu0.24.04.1 | < 2.52.3-0ubuntu0.25.10.1
  • webkitgtkAll versions (No fix recorded)
  • wpewebkitAll versions (No fix recorded)
Debian2 products
  • webkit2gtk< 2.50.6-1~deb12u1 | < 2.50.6-1~deb13u1 | < 2.50.6-1
  • wpewebkitAll versions (No fix recorded) | < 2.50.6-1

4 vendors · 52 products

References

8 links