Memory corruption

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

CVE-2020-26952

Mozilla Firefox vulnerability (CVE-2020-26952) involves incorrect bookkeeping of inlined functions during JIT compilation, causing memory corruption and potentially exploitable crashes when handling out-of-memory conditions. Affected: Firefox versions earlier than 83. Root cause: mismanagement in...

CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

Microsoft Chakra LinearScan Memory Corruption Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Chakra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the JIT compiler...

CVE-2020-26952: Out-of-bounds Write

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

Remote Code Execution

firefox is vulnerable to remote code execution. Incorrect bookkeeping of functions inlined during JIT compilation allows an attacker to execute arbitrary code in the context of the victim by tricking the user into visiting a malicious web site. The vulnerability also allows a remote attacker to...

Firefox MCallGetProperty Write Side Effects Use After Free Exploit

This modules exploits CVE-2020-26950, a use after free exploit in Firefox. The MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This exploit uses a somewhat novel technique of spraying ArgumentsData structures in order to construc...

CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox 83...

PT-2020-16567

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 83 Description The issue is related to incorrect bookkeeping of functions inlined during JIT compilation, which could lead to memory corruption and a potentially exploitable crash when handling out-of-memory errors...

Mozilla Firefox: Remote code execution

Background Mozilla Firefox is a popular open-source web browser from the Mozilla project. Description Invalid assumptions when emitting the the MCallGetProperty opcode in the JavaScript JIT may result in a use-after-free condition. Impact A remote attacker could possibly execute arbitrary code wi...

pcre2 security and enhancement update

10.32-2 - Fix CVE-2019-20454 a crash when \X is used without UTF mode in a JIT bug 1734468...

RHEL 8 : pcre2 (RHSA-2020:4539)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:4539 advisory. The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching...

ALSA-2020:4539 Moderate: pcre2 security and enhancement update

The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and semantics as Perl. Security Fixes: pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode CVE-2019-20454 For...

RLSA-2020:4539 Moderate: pcre2 security and enhancement update

The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and semantics as Perl. Security Fixes: pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode CVE-2019-20454 For...

Best practices for defending Azure Virtual Machines

One of the things that our Detection and Response Team DART and Customer Service and Support CSS security teams see frequently during investigation of customer incidents are attacks on virtual machines from the internet. This is one area in the cloud security shared responsibility model where...

pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode

An out-of-bounds read was discovered in PCRE when the pattern "\X" is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to process untrusted input may be vulnerable to this flaw. An attacker could use this flaw to crash the application...

RLSA-2020:3662 Moderate: php:7.3 security, bug fix, and enhancement update

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. The following packages have been upgraded to a later upstream version: php 7.3.20. BZ1856655 Security Fixes: php: Out-of-bounds read due to integer overflow in iconvmimedecodeheaders CVE-2019-11039 php: Buffer...

SUSE SLES15 Security Update : java-1_8_0-ibm (SUSE-SU-2020:2453-1)

This update for java-180-ibm fixes the following issues : Update to Java 8.0 Service Refresh 6 Fix Pack 15 bsc1175259, bsc1174157 CVE-2020-14577 CVE-2020-14578 CVE-2020-14579 CVE-2020-14581 CVE-2020-14556 CVE-2020-14621 CVE-2020-14593 CVE-2020-14583 CVE-2019-17639 - Class Libraries : -...