4.3

CVE-2026-5864: google chrome Heap-based Buffer Overflow

Modified
AliasesDEBIAN-CVE-2026-5864CGA-8p76-q995-3w7vCGA-942v-c4cw-xqcq
Published 08-04-2026Last modified 14-04-2026

Vulnerability summary

CVE-2026-5864 is a medium (CVSS 4.3) Heap-based Buffer Overflow vulnerability in google chrome. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 4
OPENSUSE-SU-2026:10530-1OPENSUSE-SU-2026:20575-1OPENSUSE-SU-2026:20660-1CGA-G32C-WC33-X3HF

Timeline

  1. 08-04-2026
    PublishedVulnerability first disclosed.
  2. 14-04-2026
    Last modifiedVulnerability information updated.

Description

Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard1 product
  • chromium< 147.0.7727.101-r0
Debian1 product
  • chromium< 147.0.7727.55-1~deb12u1 | < 147.0.7727.55-1~deb13u1 | < 147.0.7727.55-1
Google1 product
  • chrome≥ 147.0.7727.55, < 147.0.7727.55 | < 147.0.7727.55
Wolfi1 product
  • chromium< 147.0.7727.101-r0

4 vendors · 4 products

References

3 links