Mozilla Firefox up to 150 on Android sandbox

CVSS Meta Temp Score
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CTI Interest Score
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6.7$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox up to 150 on Android. Affected by this issue is some unknown functionality. Executing a manipulation can lead to sandbox. The identification of this vulnerability is CVE-2026-8945. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 150 on Android and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a sandbox vulnerability. The CWE definition for the vulnerability is CWE-265. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2026-8945 since 05/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/17/2026). The MITRE ATT&CK project declares the attack technique as T1611.

The vulnerability scanner Nessus provides a plugin with the ID 316432 (Linux Distros Unpatched Vulnerability : CVE-2026-8945), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 151 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316432) and CERT Bund (WID-SEC-2026-1606). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • IGEL OS
  • SUSE openSUSE
  • RESF Rocky Linux
  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Sandbox
CWE: CWE-265 / CWE-264
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 316432
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-8945

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 151

Timelineinfo

05/19/2026 Advisory disclosed
05/19/2026 +0 days CVE reserved
05/19/2026 +0 days VulDB entry created
06/17/2026 +29 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2026-8945 (🔒)
GCVE (CVE): GCVE-0-2026-8945
GCVE (VulDB): GCVE-100-364684
CERT Bund: WID-SEC-2026-1606 - Mozilla Firefox und Thunderbird: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 05/19/2026 15:58
Updated: 06/17/2026 13:24
Changes: 05/19/2026 15:58 (56), 05/23/2026 11:52 (11), 05/24/2026 05:17 (2), 05/27/2026 08:33 (7), 06/17/2026 13:24 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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