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Fencer Vulns
medium 4.3

CVE-2026-93387 json

Improper state validation in Skia in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to obtain cross-origin data via a craft…

published 2026-09-17 52 d ago modified 2026-09-18 51 d ago also EUVD-2026-82479

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

Improper state validation in Skia in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • google chrome 153.0.8010.52
  • chromium Debian 12 153.0.8010.52-1~deb12u1
  • chromium Debian 13 153.0.8010.52-1~deb13u1
  • chromium Debian 14 153.0.8010.52-1

debian advisories DEBIAN-CVE-2026-93387

  • chromium openSUSE Leap 16.0 153.0.8010.52-bp160.1.1
  • chromium openSUSE Tumbleweed 153.0.8010.47-1.1

opensuse advisories openSUSE-SU-2026:21921-1openSUSE-SU-2026:11812-1

  • webkit2gtk3 AlmaLinux 9 2.54.2-0.el9_8.2
  • webkit2gtk3-jsc AlmaLinux 9 2.54.2-0.el9_8.2

almalinux advisories ALSA-2026:95194

  • webkit2gtk3 Rocky Linux 9 2.54.2-0.el9_8.2

rocky linux advisories RLSA-2026:95194

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-93387 updated cvss 6.5

chromium-browser: skia: Google Chrome Skia: Cross-origin data disclosure via improper state validation

  • Red Hat Enterprise Linux 7 webkitgtk4, webkitgtk4-jsc, webkitgtk4-plugin-process-gtk2
    affected: no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.54.2-2.el8_10, webkit2gtk3-jsc 2.54.2-2.el8_10
    fixed: vendor fix RHSA-2026:96080
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.54.2-0.el9_8.2, webkit2gtk3-jsc 2.54.2-0.el9_8.2
    fixed: vendor fix RHSA-2026:95194
  • Red Hat Enterprise Linux 6 webkitgtk Red Hat Enterprise Linux 7 firefox, webkitgtk3, libwebkit2gtk Red Hat Enterprise Linux 8 firefox Red Hat Enterprise Linux 9 firefox, firefox-x11 Red Hat Enterprise Linux 10 firefox
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
52 d ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.