cve-2026-55831
HIGH CVSS 7.5 csaf_suse
Description
SUSE CVE-2026-55831
Timeline
- Published
- 2026-07-21 13:06 UTC
- Last Modified
- 2026-08-05
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
No linked vulnerabilities found.
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"text": "Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty's SPDY SETTINGS decoder accepts a peer-declared SETTINGS entry count up to the 24-bit frame-length limit and materializes every unique setting ID in `DefaultSpdySettingsFrame`, allowing a remote SPDY/3.1 peer to send a syntactically valid roughly 2 MiB SETTINGS frame that creates 262144 map entries and amplifies network input into heap growth and ordered-map insertion work. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.",
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"text": "Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty's SPDY SETTINGS decoder accepts a peer-declared SETTINGS entry count up to the 24-bit frame-length limit and materializes every unique setting ID in `DefaultSpdySettingsFrame`, allowing a remote SPDY/3.1 peer to send a syntactically valid roughly 2 MiB SETTINGS frame that creates 262144 map entries and amplifies network input into heap growth and ordered-map insertion work. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.",
"title": "CVE description"
}
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},
"references": [
{
"category": "external",
"summary": "CVE-2026-55831",
"url": "https://www.suse.com/security/cve/CVE-2026-55831"
},
{
"category": "external",
"summary": "SUSE Security Ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "external",
"summary": "SUSE Bug 1271960 for CVE-2026-55831",
"url": "https://bugzilla.suse.com/1271960"
},
{
"category": "external",
"summary": "Advisory link for SUSE-SU-2026:3482-1",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028141.html"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
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}
],
"threats": [
{
"category": "impact",
"date": "2026-07-21T02:01:00Z",
"details": "important"
}
],
"title": "CVE-2026-55831"
}
]
}