Netscape Communicator 4.5 Dynamic Font memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Netscape Communicator 4.5 and classified as critical. This vulnerability affects unknown code of the component Dynamic Font Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-1999-0892. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netscape Communicator 4.5 (Web Browser). This issue affects an unknown part of the component Dynamic Font Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in Netscape Communicator before 4.7 via a dynamic font whose length field is less than the size of the font.

The weakness was published 12/24/1999. The identification of this vulnerability is CVE-1999-0892. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Timelineinfo

12/24/1999 🔍
12/24/1999 +0 days 🔍
06/22/2014 +5294 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: netscape.com

Status: Confirmed

CVE: CVE-1999-0892 (🔍)
GCVE (CVE): GCVE-0-1999-0892
GCVE (VulDB): GCVE-100-15095

Entryinfo

Created: 06/22/2014 16:25
Updated: 04/20/2026 00:34
Changes: 06/22/2014 16:25 (36), 05/22/2018 09:20 (10), 04/20/2026 00:34 (18)
Complete: 🔍
Cache ID: 216::103

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