The TCP Socket API implementation in Mozilla Firefox before 41.0 mishandles array boundaries that were established with a…

Description

The TCP Socket API implementation in Mozilla Firefox before 41.0 mishandles array boundaries that were established with a navigator.mozTCPSocket.open method call and send method calls, which allows remote TCP servers to obtain sensitive information from process memory by reading packet data, as demonstrated by availability of this API in a Firefox OS application.

Scores

EPSS (exploitation in 30 days)

1.6% · top 25% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-200 (opens in a new tab)All about CWE-200 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• openSUSE-SU-2015:1681 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.mozilla.org/security/announce/2015/mfsa2015-97.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 76815 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 1033640 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=994337 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2015:1658 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2015-4503](https://trackcve.app/badge/CVE-2015-4503.svg)](https://trackcve.app/cve/CVE-2015-4503)

Record last updated 6 Aug 2024, 06:18 UTC.