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CVE-2026-54428

🗓️ 01 Jul 2026 17:03:53Reported by Debian Security Bug TrackerType 
debiancve
 debiancve🔗 security-tracker.debian.org👁 23 Views

Remote attacker triggers memory exhaustion via oversized HPACK blocks before SETTINGS applies limit.

Related
Packages
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses httpcore5-h2-5.3.4.jar which is vulnerable to CVE-2026-54428
6 Aug 202614:49
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IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to linkify-it and httpcore5 (CVE-2026-59887, CVE-2026-54428 & CVE-2026-54399)
31 Jul 202614:58
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IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
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IBM Security Bulletins		Security Bulletin: IBM Sterling Control Center is affected by a vulnerability in httpcore5-h2 jar (CVE-2026-54428)
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IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Explorer is affected by multiple vulnerabilities
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IBM Security Bulletins		Security Bulletin: Improper input validation, integer overflow, and other vulnerabilities might affect IBM Storage Defender - Resiliency Service
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IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to an Allocation of resources without limits or throttling vulnerability in Apache HttpComponents [CVE-2026-54428]
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IBM Security Bulletins		Security Bulletin:Vulnerability in httpcore5 affects IBM Netezza Appliance
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attackerkb
ATTACKERKB		CVE-2026-54428
1 Jul 202617:03
–attackerkb
cgr
Chainguard		CVE-2026-54428 vulnerabilities
14 Aug 202620:25
–cgr
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian13allhttpcomponents-core4.4.16-1httpcomponents-core_4.4.16-1_all.deb
Debian14allhttpcomponents-core4.4.16-1httpcomponents-core_4.4.16-1_all.deb
Debian999allhttpcomponents-core4.4.16-1httpcomponents-core_4.4.16-1_all.deb
Debian12allhttpcomponents-core55.2.1-1httpcomponents-core5_5.2.1-1_all.deb
Debian13allhttpcomponents-core55.2.2-1httpcomponents-core5_5.2.2-1_all.deb
Debian14allhttpcomponents-core55.4.3-1httpcomponents-core5_5.4.3-1_all.deb
Debian999allhttpcomponents-core55.4.3-1httpcomponents-core5_5.4.3-1_all.deb

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01 Jul 2026 17:03Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00587
SSVC
remote attackermemory exhaustionheader compression blockssettings limitapache componentscore
23