CVE-2025-5419
Google Chromium V8: Out-of-Bounds Read and Write
As of , CVE-2025-5419 in Google Chromium V8 is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 5 June 2025
- US federal deadline
- 26 June 202521 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.08Higher than 94% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: chromereleases.googleblog.comLinks below, from CISA's entry.
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA's required action
What the flaw is
Google Chromium V8 contains an out-of-bounds read and write vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
CISA's description
Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
The CVE record's description, from Chrome
- CVE published
- 2 June 2025
- Assigned by
- Chrome
- CVSS
- 8.8 High (CVSS 3.1, from CISA-ADP)
- CWE-125
- Out-of-bounds Read
- CWE-787
- Out-of-bounds Write
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Chromium V8: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2018-17463Remote Code Execution | Google Chromium V8 | Patch this weekMetasploit module; EPSS 0.85; verified Exploit-DB entry | 0.85 | ||
| CVE-2019-5825Out-of-Bounds Write | Google Chromium V8 | Patch this weekMetasploit module; EPSS 0.56; verified Exploit-DB entry | 0.56 | ||
| CVE-2020-6418Type Confusion | Google Chromium V8 | Patch this weekMetasploit module; EPSS 0.79; verified Exploit-DB entry | 0.79 | ||
| CVE-2021-21220Improper Input Validation | Google Chromium V8 | Patch this weekMetasploit module; EPSS 0.70 | 0.70 | ||
| CVE-2018-6065Integer Overflow | Google Chromium V8 | Patch this weekEPSS 0.60; verified Exploit-DB entry | 0.60 | ||
| CVE-2021-21224Type Confusion | Google Chromium V8 | Patch this weekEPSS 0.84 | 0.84 | ||
| CVE-2021-30551Type Confusion | Google Chromium V8 | Patch this weekEPSS 0.65 | 0.65 | ||
| CVE-2021-30632Out-of-Bounds Write | Google Chromium V8 | Patch this weekEPSS 0.63 | 0.63 | ||
| CVE-2026-85046Type Confusion | Google Chromium V8 | Patch soon | 0.49 | ||
| CVE-2023-4762Type Confusion | Google Chromium V8 | Patch soon | 0.41 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org