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Vulnerability record · CVE-2018-12292 · published 13 June 2018

CVE-2018-12292: Palemoon pale moon use after free vulnerability

Palemoon · Pale Moon

A use-after-free vulnerability exists in DOMProxyHandler::EnsureExpandoObject in Pale Moon before 27.9.3.

9.8 CVSS 3.0 Critical EPSS 9.1% · top 4.9% CWE-416 · Use after free
9.8CVSS 3.0 base score, v2 7.5
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A use-after-free vulnerability exists in DOMProxyHandler::EnsureExpandoObject in Pale Moon before 27.9.3.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.exploit-db.com/exploits/44900/ ExploitThird Party AdvisoryVDB Entry
https://www.palemoon.org/releasenotes.shtml Vendor Advisory
https://www.exploit-db.com/exploits/44900/ ExploitThird Party AdvisoryVDB Entry
https://www.palemoon.org/releasenotes.shtml Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2013-1591Redhat enterprise virtualization integer overflow vulnerabilityStack-based buffer overflow in libpixman, as used in Pale Moon before 15.4 and possibly other products, has unspecified impact and context-dependent …EPSS 3.6%7.5CVE-2020-9545Palemoon pale moon null pointer dereference vulnerabilityPale Moon 28.x before 28.8.4 has a segmentation fault related to module scripting, as demonstrated by a Lacoste web site.EPSS 1.3%7.0CVE-2026-68820Windows Ancillary Function Driver for WinSock use-after-free privilege escalationThe Windows Ancillary Function Driver for WinSock (afd.sys) contains a use-after-free (CWE-416) that lets an authorized local attacker elevate privil…KEVEPSS 0.33%analysed8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed8.8CVE-2010-0249Microsoft Internet Explorer use-after-free enables remote code executionInternet Explorer 6, 7 and 8 mishandle objects in memory, leaving a dangling pointer that can be reused after the object is freed. A remote attacker …KEVEPSS 92%analysed7.8CVE-2020-9715Adobe Acrobat and Reader use-after-free allows code executionAdobe Acrobat and Reader contain a use-after-free (CWE-416) flaw affecting versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and ea…KEVEPSS 49%analysed8.8CVE-2026-5281Google Chrome Dawn use-after-free allows remote code executionChrome versions before 146.0.7680.178 contain a use-after-free flaw in the Dawn graphics component. An attacker who has already compromised the rende…KEVEPSS 0.70%analysed8.8CVE-2023-43000Apple WebKit use-after-free via malicious web contentA use-after-free flaw in Apple's WebKit engine was fixed by improved memory management in macOS Ventura 13.5, iOS/iPadOS 16.6, Safari 16.6, and iOS/i…KEVEPSS 3.9%analysed

Source: NIST National Vulnerability Database (record CVE-2018-12292), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.