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PT-2026-78884

🗓️ 20 Aug 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbu.gs👁 19 Views

libexpat before 2.8.4 use-after-free via custom encoding callbacks lacking handler call depth tracking.

Related
Refs
ReporterTitlePublishedViews
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ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities have been identified in IBM HTTP Server shipped with IBM DevOps Code ClearCase [CVE-2026-24072, CVE-2026-28780, CVE-2026-34059, CVE-2026-33523, CVE-2026-41080, CVE-2026-33857, CVE-2026-34032]
22 May 202605:57
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IBM Security Bulletins		Security Bulletin:IBM HTTP Server shipped with IBM OpenPages is vulnerable to multiple vulnerabilities
23 Jun 202617:57
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IBM Security Bulletins		Security Bulletin: IBM HTTP Server is affected by multiple vulnerabilities
11 May 202622:12
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IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM HTTP Server shipped with IBM WebSphere Remote Server
18 May 202615:31
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Python affects AIX/VIOS.
15 Jul 202609:53
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities have been identified in IBM HTTP Server shipped with IBM DevOps Code ClearCase.
8 Jun 202605:18
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities have been identified in IBM HTTP Server used by IBM Rational ClearQuest
22 Jul 202618:07
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IBM Security Bulletins		Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
14 Sep 202620:04
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IBM Security Bulletins		Security Bulletin:Vulnerabilities exists in IBM Netezza Appliance
10 Aug 202606:03
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in python (CVE-2026-56131, CVE-2026-56132) affects AIX/VIOS.
15 Jul 202609:49
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24 Sep 2026 00:00Current
7High risk
Vulners AI Score7
CVSS 3.17.5 - 7.8
CVSS 48.7
EPSS0.00742
SSVC
libexpatuse-after-freecustom encodinghandler depthmemory corruptionbuffer overflowcve-2026-78884
19