SUSE-SU-2026:2306-1
Vulnerability from csaf_suse - Published: 2026-06-09 07:58 - Updated: 2026-06-09 07:58Summary
Security update for perl-Protocol-HTTP2
Severity
Important
Notes
Title of the patch: Security update for perl-Protocol-HTTP2
Description of the patch: This update for perl-Protocol-HTTP2 fixes the following issue
- CVE-2026-10725: denial of service due to absence of inbound HPACK header-list size limit (HTTP/2 Bomb attack)
(bsc#1267857).
Patchnames: SUSE-2026-2306,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2306
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch | — |
Vendor Fix
|
Threats
Impact
important
References
8 references
{
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"text": "important"
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"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
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"lang": "en",
"notes": [
{
"category": "summary",
"text": "Security update for perl-Protocol-HTTP2",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for perl-Protocol-HTTP2 fixes the following issue\n\n- CVE-2026-10725: denial of service due to absence of inbound HPACK header-list size limit (HTTP/2 Bomb attack)\n (bsc#1267857).\n",
"title": "Description of the patch"
},
{
"category": "details",
"text": "SUSE-2026-2306,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2306",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
"references": [
{
"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_2306-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2026:2306-1",
"url": "https://www.suse.com/support/update/announcement/2026/suse-su-20262306-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2026:2306-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2026-June/047189.html"
},
{
"category": "self",
"summary": "SUSE Bug 1267857",
"url": "https://bugzilla.suse.com/1267857"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2026-10725 page",
"url": "https://www.suse.com/security/cve/CVE-2026-10725/"
}
],
"title": "Security update for perl-Protocol-HTTP2",
"tracking": {
"current_release_date": "2026-06-09T07:58:46Z",
"generator": {
"date": "2026-06-09T07:58:46Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
}
},
"id": "SUSE-SU-2026:2306-1",
"initial_release_date": "2026-06-09T07:58:46Z",
"revision_history": [
{
"date": "2026-06-09T07:58:46Z",
"number": "1",
"summary": "Current version"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch",
"product": {
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"product_id": "perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch"
}
}
],
"category": "architecture",
"name": "noarch"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux Enterprise Module for Package Hub 15 SP7",
"product": {
"name": "SUSE Linux Enterprise Module for Package Hub 15 SP7",
"product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP7",
"product_identification_helper": {
"cpe": "cpe:/o:suse:packagehub:15:sp7"
}
}
}
],
"category": "product_family",
"name": "SUSE Linux Enterprise"
}
],
"category": "vendor",
"name": "SUSE"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch as component of SUSE Linux Enterprise Module for Package Hub 15 SP7",
"product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP7:perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch"
},
"product_reference": "perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch",
"relates_to_product_reference": "SUSE Linux Enterprise Module for Package Hub 15 SP7"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-10725",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-10725"
}
],
"notes": [
{
"category": "general",
"text": "Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb.\n\nProtocol::HTTP2\u0027s inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory (the \"HTTP/2 bomb\").\n\nThe headers_decode method materialises a full key+value copy per indexed reference with no running size check, and the stream_header_block_add method appends (since version 1.12) every CONTINUATION frame to the per-stream buffer unbounded.\n\nMAX_HEADER_LIST_SIZE (default 65536) is advertised in SETTINGS but never consulted on decode. It is absent from the decoder and from the :limits export tag.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Module for Package Hub 15 SP7:perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-10725",
"url": "https://www.suse.com/security/cve/CVE-2026-10725"
},
{
"category": "external",
"summary": "SUSE Bug 1267857 for CVE-2026-10725",
"url": "https://bugzilla.suse.com/1267857"
}
],
"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": [
"SUSE Linux Enterprise Module for Package Hub 15 SP7:perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch"
]
}
],
"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": [
"SUSE Linux Enterprise Module for Package Hub 15 SP7:perl-Protocol-HTTP2-1.10-150600.3.3.1.noarch"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-06-09T07:58:46Z",
"details": "important"
}
],
"title": "CVE-2026-10725"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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