Google Chrome up to 145.0.7632.75 PDFium heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. This affects an unknown part of the component PDFium. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2026-2648. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome and classified as critical. This issue affects some unknown processing of the component PDFium. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap buffer overflow in PDFium in Google Chrome prior to 145.0.7632.109 allowed a remote attacker to perform an out of bounds memory write via a crafted PDF file. (Chromium security severity: High)

It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-2648 since 02/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/23/2026).

The vulnerability scanner Nessus provides a plugin with the ID 299458 (Google Chrome < 145.0.7632.109 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 145.0.7632.109 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (299458) and CERT Bund (WID-SEC-2026-0452). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Debian Linux
  • SUSE openSUSE
  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 299458
Nessus Name: Google Chrome < 145.0.7632.109 Multiple Vulnerabilities

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 145.0.7632.109

Timelineinfo

02/18/2026 CVE reserved
02/19/2026 +1 days Advisory disclosed
02/19/2026 +0 days VulDB entry created
02/23/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 477033
Status: Confirmed

CVE: CVE-2026-2648 (🔒)
GCVE (CVE): GCVE-0-2026-2648
GCVE (VulDB): GCVE-100-346667
CERT Bund: WID-SEC-2026-0452 - Google Chrome/Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 02/19/2026 07:59
Updated: 02/23/2026 10:57
Changes: 02/19/2026 07:59 (58), 02/19/2026 10:47 (2), 02/23/2026 10:57 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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