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Fencer Intel
medium 4.3

CVE-2026-17844 json

Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment…

published 3mo ago modified 17d ago also EUVD-2026-50593

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 4%
public exploits
0
none known

Summary

Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Patch / fix

  • google chrome 151.0.7922.72
  • chromium Debian 12 151.0.7922.71-1~deb12u1
  • chromium Debian 13 151.0.7922.71-1~deb13u1
  • chromium Debian 14 151.0.7922.71-1

debian advisories DEBIAN-CVE-2026-17844

  • chromium openSUSE Leap 16.0 151.0.7922.173-bp160.1.1
  • chromium openSUSE Tumbleweed 151.0.7922.71-1.1

opensuse advisories openSUSE-SU-2026:21624-1openSUSE-SU-2026:11434-1

Is CVE-2026-17844 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2026-17844 updated cvss 4.3

chromium-browser: chromium-browser: Insufficient validation of untrusted input in Cast

  • Red Hat All currently supported Red Hat products
    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
3mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

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

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Intel 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.