CVE-2018-5146

HIGH

Firefox <5.9.01- Thunderbird <5.27.02 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-5146. PoCs published by f01965.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2018-5146, including a crafted OGG file, an exploit HTML file, and a CRC32 calculation tool. The vulnerability is related to a memory corruption issue in the OGG container handling.

Description

An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.

Exploits (1)

nomisec WORKING POC
by f01965 · poc
https://github.com/f01965/CVE-2018-5146

This repository contains a proof-of-concept exploit for CVE-2018-5146, including a crafted OGG file, an exploit HTML file, and a CRC32 calculation tool. The vulnerability is related to a memory corruption issue in the OGG container handling.

Classification
Working Poc 80%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Mozilla Firefox < 58
No auth needed
Prerequisites: Victim must visit a malicious webpage hosting the exploit
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (20)

Core 20
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0549
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3604-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4143
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201811-13
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/03/msg00022.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3545-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3599-1/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-09/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4155
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-08/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0648
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0647
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1058
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040544
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1446062
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103432
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4140
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0649

Scores

CVSS v3 8.8
EPSS 0.1205
EPSS Percentile 95.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (21)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
mozilla/firefox < 52.7.2
mozilla/thunderbird < 52.7.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
... and 11 more
Published Jun 11, 2018
Tracked Since Feb 18, 2026