Mozilla Firefox up to 148.0.1 on Android Playback heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox up to 148.0.1 on Android and classified as critical. The impacted element is an unknown function of the component Playback. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2026-3845. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 148.0.1 on Android and classified as critical. This issue affects an unknown part of the component Playback. 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 the Audio/Video: Playback component in Firefox for Android. This vulnerability affects Firefox < 148.0.2.

The advisory is shared at bugzilla.mozilla.org. The identification of this vulnerability is CVE-2026-3845 since 03/09/2026. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/01/2026).

Upgrading to version 148.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-10502) and CERT Bund (WID-SEC-2026-1730). Several companies clearly confirm that VulDB is the primary source for best 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: 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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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-2026-3845 (🔒)
GCVE (CVE): GCVE-0-2026-3845
GCVE (VulDB): GCVE-100-349961
EUVD: 🔒
CERT Bund: WID-SEC-2026-1730 - Xerox FreeFlow Print Server: Mehrere Schwachstellen erm&ouml;glichen nicht spezifizierten Angriff

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

Entryinfo

Created: 03/10/2026 17:00
Updated: 06/01/2026 07:29
Changes: 03/10/2026 17:00 (57), 03/10/2026 17:58 (2), 03/14/2026 04:32 (12), 06/01/2026 07:29 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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