SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2008-4340

Google Chrome 0.2.149.29 and 0.2.149.30 allows remote attackers to cause a denial of service (memory consumption) via an HTML document containing a carriage return ("\r\n\r\n") argument to the window.open function.

EXPLOIT ✓MEDIUM 4.3EPSS 4.21%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 4.2%. Treat it as high on anything reachable from the internet.

Description

Google Chrome 0.2.149.29 and 0.2.149.30 allows remote attackers to cause a denial of service (memory consumption) via an HTML document containing a carriage return ("\r\n\r\n") argument to the window.open function.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
4.21% probability · 91th percentile
Public exploits
1 in Exploit-DB · verified · first 24 September 2008
CISA KEV
Not listed
Weakness
CWE-20
Affected
google/chrome
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 4.21%26 October 202626 October 2026

EPSS 4.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-6554source ↗Google Chrome - Carriage Return Null Object Memory Exhaustionwindows · Aditya K Sooddos24 September 2008yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.