CVE-2026-5858

CWE-122 — Heap-based Buffer OverflowCWE-13112 documents10 sources
Severity
8.8HIGH
No vector
EPSS
0.0%
top 91.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Google Chrome
Timeline
PublishedApr 8
Latest updateApr 9

Description

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

Affected Packages1 packages

▶CVEListV5google/chrome147.0.7727.55 — 147.0.7727.55

🔴Vulnerability Details

4
GHSA
GHSA-88x7-8x6j-5jw9: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-09
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VulDB
Google Chrome up to 146.0.7680.178 WebML heap-based overflow (ID 493319 / WID-SEC-2026-1030)↗2026-04-09
▶
CVEList
CVE-2026-5858: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-08
▶
OSV
CVE-2026-5858: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-08
▶

📋Vendor Advisories

3
Red Hat
Google Chrome: WebML: Chromium: Google Chrome: Arbitrary code execution via heap buffer overflow in WebML↗2026-04-08
▶
Chrome
Stable Channel Update for Desktop: CVE-2026-5858↗2026-04-07
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Debian
CVE-2026-5858: chromium - Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a ...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-5858 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

3
Bugzilla
CVE-2026-5858 CVE-2026-5859 CVE-2026-5860 CVE-2026-5861 CVE-2026-5874 CVE-2026-5875 CVE-2026-5876 CVE-2026-5894 chromium: various flaws [epel-all]↗2026-04-09
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Bugzilla
CVE-2026-5858 CVE-2026-5859 CVE-2026-5860 CVE-2026-5861 CVE-2026-5874 CVE-2026-5875 CVE-2026-5876 CVE-2026-5894 chromium: various flaws [fedora-all]↗2026-04-09
▶
Bugzilla
CVE-2026-5858 Google Chrome: WebML: Chromium: Google Chrome: Arbitrary code execution via heap buffer overflow in WebML↗2026-04-08
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