CVE-2026-9123
published 2026-05-20CVE-2026-9123: Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code…
PriorityP341high7.5CVSS 3.1
AVAACHPRNUINSUCHIHAH
EPSS
0.19%
8.6th percentile
Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.179 | 148.0.7778.179 | |
| chrome | >= 148.0.7778.179 < 148.0.7778.179 | 148.0.7778.179 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_redhat7.5HIGH
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Palo Alto
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
vendor_paloalto·2026-06-10·CVSS 8.8
CVE-2026-8509 [HIGH] PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html CVE Summary CVE-2026-8509 Heap buffer overflow in WebML CVE-2026-8510 Integer overflow in Skia CVE-2026-8511 Use after free in UI CVE-2026-8512 Use after free in FileSystem CVE-2026-8513 Use after free in Input CVE-2026-8514 Use after free in Aura CVE-2026-8515 Use after free
Red Hat
chromium-browser: Heap buffer overflow in Chromecast
vendor_redhat·2026-05-19·CVSS 7.5
CVE-2026-9123 [HIGH] CWE-120 chromium-browser: Heap buffer overflow in Chromecast
chromium-browser: Heap buffer overflow in Chromecast
A heap buffer overflow flaw was found in the Chromecast component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=495988507
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-9123
vendor_chrome·2026-05-19·CVSS 7.5
CVE-2026-9123 [HIGH] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-9123
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-9123
Chrome
Stable Channel Update for Desktop: CVE-2026-9121
vendor_chrome·2026-05-19·CVSS 8.8
CVE-2026-9121 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-9121
Stable Channel Update for Desktop
CVE-2026-9121: Out of bounds read in GPU. Reported by David Korczynski (Adalogics) on 2026-02-26 [TBD][ 489579953 ] Medium CVE-2026-9122: Out of bounds read in GPU
Reported by c6eed09fc8b174b0f3eebedcceb1e792 on 2026-03-04 [N/A][ 495988507 ] Medium CVE-2026-9123: Heap buffer overflow in Chromecast
Severity: medium
VulDB
Google Chrome up to 148.0.7778.168 on Android Chromecast heap-based overflow
vuldb·2026-05-20·CVSS 7.5
CVE-2026-9123 [HIGH] Google Chrome up to 148.0.7778.168 on Android Chromecast heap-based overflow
A vulnerability was found in Google Chrome on Android. It has been classified as critical. Affected by this issue is some unknown functionality of the component Chromecast. This manipulation causes heap-based buffer overflow.
This vulnerability is registered as CVE-2026-9123. The attack needs to be launched locally. No exploit is available.
Upgrading the affected component is recommended.
GHSA
GHSA-q8x9-c3xr-45r5: Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148
ghsa_unreviewed·2026-05-20
CVE-2026-9123 [HIGH] CWE-122 GHSA-q8x9-c3xr-45r5: Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148
Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-
bugzilla·2026-05-28·CVSS 4.2
CVE-2026-9110 [MEDIUM] CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-
CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-2026-9124 ... chromium: various flaws [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-
bugzilla·2026-05-28·CVSS 4.2
CVE-2026-9110 [MEDIUM] CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-
CVE-2026-9110 CVE-2026-9111 CVE-2026-9112 CVE-2026-9113 CVE-2026-9114 CVE-2026-9115 CVE-2026-9116 CVE-2026-9117 CVE-2026-9118 CVE-2026-9119 CVE-2026-9120 CVE-2026-9121 CVE-2026-9122 CVE-2026-9123 CVE-2026-9124 ... chromium: various flaws [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-9123 chromium-browser: Heap buffer overflow in Chromecast
bugzilla·2026-05-20·CVSS 7.5
CVE-2026-9123 [HIGH] CVE-2026-9123 chromium-browser: Heap buffer overflow in Chromecast
CVE-2026-9123 chromium-browser: Heap buffer overflow in Chromecast
Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)
2026-05-20
Published