Mozilla Firefox up to 148.0.1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 148.0.1. Impacted is an unknown function. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2026-3847. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 148.0.1. This affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 148.0.2.

It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is uniquely identified as CVE-2026-3847 since 03/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for 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 06/01/2026).

The vulnerability scanner Nessus provides a plugin with the ID 302201 (Linux Distros Unpatched Vulnerability : CVE-2026-3847), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 148.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (302201), EUVD (EUVD-2026-10507) and CERT Bund (WID-SEC-2026-1730). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Xerox FreeFlow Print Server

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: 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: 302201
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-3847

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 148.0.2

Timelineinfo

03/09/2026 CVE reserved
03/10/2026 +1 days Advisory disclosed
03/10/2026 +0 days VulDB entry created
06/01/2026 +83 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2026-3847 (🔒)
GCVE (CVE): GCVE-0-2026-3847
GCVE (VulDB): GCVE-100-349959
EUVD: 🔒
CERT Bund: WID-SEC-2026-1730 - Xerox FreeFlow Print Server: Mehrere Schwachstellen erm&ouml;glichen nicht spezifizierten Angriff

Entryinfo

Created: 03/10/2026 16:59
Updated: 06/01/2026 07:29
Changes: 03/10/2026 16:59 (55), 03/10/2026 17:58 (1), 03/15/2026 22:00 (12), 03/16/2026 08:21 (2), 06/01/2026 07:29 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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