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Fencer Vulns
medium 4.3

CVE-2026-87596 json

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a craf…

published 2026-09-09 2 mo ago modified 2026-09-17 52 d ago also EUVD-2026-74503

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • google chrome 153.0.8010.36
  • chromium Debian 12 153.0.8010.52-1~deb12u1
  • chromium Debian 13 153.0.8010.47-2~deb13u1
  • chromium Debian 14 153.0.8010.47-1

debian advisories DEBIAN-CVE-2026-87596

  • webkit2gtk3 RHEL 9 2.54.1-1.el9_8
  • webkit2gtk3-jsc RHEL 9 2.54.1-1.el9_8
  • webkit2gtk3 RHEL 8 2.54.1-1.el8_10
  • webkit2gtk3-jsc RHEL 8 2.54.1-1.el8_10

red hat advisories RHSA-2026:84583RHSA-2026:84584

  • chromium openSUSE Leap 16.0 153.0.8010.52-bp160.1.1
  • chromium openSUSE Tumbleweed 153.0.8010.36-1.1

opensuse advisories openSUSE-SU-2026:21921-1openSUSE-SU-2026:11750-1

  • webkit2gtk3 AlmaLinux 9 2.54.1-1.el9_8
  • webkit2gtk3-jsc AlmaLinux 9 2.54.1-1.el9_8
  • webkit2gtk3 AlmaLinux 8 2.54.1-1.el8_10
  • webkit2gtk3-jsc AlmaLinux 8 2.54.1-1.el8_10

almalinux advisories ALSA-2026:84583ALSA-2026:84584

  • webkit2gtk3 Rocky Linux 9 2.54.1-1.el9_8
  • webkit2gtk3 Rocky Linux 8 2.54.1-1.el8_10

rocky linux advisories RLSA-2026:84583RLSA-2026:84584

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-2026-87596 updated cvss 7.4

chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read

  • Red Hat Enterprise Linux 7 webkitgtk4, webkitgtk4-jsc, webkitgtk4-plugin-process-gtk2
    affected: no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.54.1-1.el8_10, webkit2gtk3-jsc 2.54.1-1.el8_10
    fixed: vendor fix RHSA-2026:84584
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.54.1-1.el9_8, webkit2gtk3-jsc 2.54.1-1.el9_8
    fixed: vendor fix RHSA-2026:84583
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3 2.54.1-1.el8_4, webkit2gtk3-jsc 2.54.1-1.el8_4
    fixed: vendor fix RHSA-2026:95590
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3 2.54.1-1.el8_6, webkit2gtk3-jsc 2.54.1-1.el8_6
    fixed: vendor fix RHSA-2026:95589
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3 2.54.1-1.el8_8, webkit2gtk3-jsc 2.54.1-1.el8_8
    fixed: vendor fix RHSA-2026:95602
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3 2.54.1-1.el9_2, webkit2gtk3-jsc 2.54.1-1.el9_2
    fixed: vendor fix RHSA-2026:95502
  • Red Hat Enterprise Linux AppStream E4S (v.9.4) webkit2gtk3 2.54.1-1.el9_4, webkit2gtk3-jsc 2.54.1-1.el9_4
    fixed: vendor fix RHSA-2026:95520
show 5 more
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3 2.54.1-1.el9_6, webkit2gtk3-jsc 2.54.1-1.el9_6
    fixed: vendor fix RHSA-2026:95516
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3 2.54.1-1.el8_4, webkit2gtk3-jsc 2.54.1-1.el8_4
    fixed: vendor fix RHSA-2026:95590
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) webkit2gtk3 2.54.1-1.el8_6, webkit2gtk3-jsc 2.54.1-1.el8_6
    fixed: vendor fix RHSA-2026:95589
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3 2.54.1-1.el8_8, webkit2gtk3-jsc 2.54.1-1.el8_8
    fixed: vendor fix RHSA-2026:95602
  • Red Hat Enterprise Linux 6 webkitgtk Red Hat Enterprise Linux 7 firefox, webkitgtk3, libwebkit2gtk Red Hat Enterprise Linux 8 firefox, mozjs60, thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird Red Hat Enterprise Linux 10 firefox, thunderbird
    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
1 mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • issues.chromium.org https://issues.chromium.org/issues/536434693 referenced PoC, tagged "exploit" by a source, unverified

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
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.