Lucene search
+L

Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure

🗓️ 19 Apr 2026 08:01:45Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 6 Views

Use-after-free occurs in LZMADecompressor, BZ2Decompressor, and GzipFile after re-use under memory pressure.

Related
Detection

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

10 Aug 2026 21:53Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.18.1
CVSS 49.1
EPSS0.00579
SSVC
6