suse-su-2025:20675-1
Vulnerability from csaf_suse
Published
2025-09-09 10:21
Modified
2025-09-09 10:21
Summary
Security update for curl
Notes
Title of the patch
Security update for curl
Description of the patch
This update for curl fixes the following issues:
- CVE-2025-5399: libcurl can possibly get trapped in an endless busy-loop when processing specially crafted packets (bsc#1243933).
- CVE-2025-5025: No QUIC certificate pinning with wolfSSL (bsc#1243706).
- CVE-2025-4947: QUIC certificate check skip with wolfSSL (bsc#1243397).
Other bugfixes:
- Fix the --ftp-pasv option in curl v8.14.1 (bsc#1246197).
Patchnames
SUSE-SLE-Micro-6.1-254
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{
"document": {
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"text": "important"
},
"category": "csaf_security_advisory",
"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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"category": "summary",
"text": "Security update for curl",
"title": "Title of the patch"
},
{
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"text": "This update for curl fixes the following issues:\n\n- CVE-2025-5399: libcurl can possibly get trapped in an endless busy-loop when processing specially crafted packets (bsc#1243933).\n- CVE-2025-5025: No QUIC certificate pinning with wolfSSL (bsc#1243706).\n- CVE-2025-4947: QUIC certificate check skip with wolfSSL (bsc#1243397).\n\nOther bugfixes:\n\n- Fix the --ftp-pasv option in curl v8.14.1 (bsc#1246197).\n",
"title": "Description of the patch"
},
{
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"text": "SUSE-SLE-Micro-6.1-254",
"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": {
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"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
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"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_20675-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2025:20675-1",
"url": "https://www.suse.com/support/update/announcement/2025/suse-su-202520675-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2025:20675-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2025-September/041626.html"
},
{
"category": "self",
"summary": "SUSE Bug 1243397",
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"url": "https://bugzilla.suse.com/1243706"
},
{
"category": "self",
"summary": "SUSE Bug 1243933",
"url": "https://bugzilla.suse.com/1243933"
},
{
"category": "self",
"summary": "SUSE Bug 1246197",
"url": "https://bugzilla.suse.com/1246197"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2025-4947 page",
"url": "https://www.suse.com/security/cve/CVE-2025-4947/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2025-5025 page",
"url": "https://www.suse.com/security/cve/CVE-2025-5025/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2025-5399 page",
"url": "https://www.suse.com/security/cve/CVE-2025-5399/"
}
],
"title": "Security update for curl",
"tracking": {
"current_release_date": "2025-09-09T10:21:16Z",
"generator": {
"date": "2025-09-09T10:21:16Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
}
},
"id": "SUSE-SU-2025:20675-1",
"initial_release_date": "2025-09-09T10:21:16Z",
"revision_history": [
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"date": "2025-09-09T10:21:16Z",
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"product_identification_helper": {
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},
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},
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"vulnerabilities": [
{
"cve": "CVE-2025-4947",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-4947"
}
],
"notes": [
{
"category": "general",
"text": "libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.",
"title": "CVE description"
}
],
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"url": "https://bugzilla.suse.com/1243397"
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
},
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],
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"date": "2025-09-09T10:21:16Z",
"details": "moderate"
}
],
"title": "CVE-2025-4947"
},
{
"cve": "CVE-2025-5025",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-5025"
}
],
"notes": [
{
"category": "general",
"text": "libcurl supports *pinning* of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC and HTTP/3. Since pinning makes the transfer succeed if the pin is fine, users could unwittingly connect to an impostor server without noticing.",
"title": "CVE description"
}
],
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"url": "https://www.suse.com/security/cve/CVE-2025-5025"
},
{
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"summary": "SUSE Bug 1243706 for CVE-2025-5025",
"url": "https://bugzilla.suse.com/1243706"
}
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"scores": [
{
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
},
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}
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"threats": [
{
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"date": "2025-09-09T10:21:16Z",
"details": "moderate"
}
],
"title": "CVE-2025-5025"
},
{
"cve": "CVE-2025-5399",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-5399"
}
],
"notes": [
{
"category": "general",
"text": "Due to a mistake in libcurl\u0027s WebSocket code, a malicious server can send a\nparticularly crafted packet which makes libcurl get trapped in an endless\nbusy-loop.\n\nThere is no other way for the application to escape or exit this loop other\nthan killing the thread/process.\n\nThis might be used to DoS libcurl-using application.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
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"summary": "CVE-2025-5399",
"url": "https://www.suse.com/security/cve/CVE-2025-5399"
},
{
"category": "external",
"summary": "SUSE Bug 1243933 for CVE-2025-5399",
"url": "https://bugzilla.suse.com/1243933"
}
],
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{
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.ppc64le",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.s390x",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Micro 6.1:curl-8.14.1-slfo.1.1_1.1.aarch64",
"SUSE Linux Micro 6.1:curl-8.14.1-slfo.1.1_1.1.ppc64le",
"SUSE Linux Micro 6.1:curl-8.14.1-slfo.1.1_1.1.s390x",
"SUSE Linux Micro 6.1:curl-8.14.1-slfo.1.1_1.1.x86_64",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.aarch64",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.ppc64le",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.s390x",
"SUSE Linux Micro 6.1:libcurl4-8.14.1-slfo.1.1_1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2025-09-09T10:21:16Z",
"details": "moderate"
}
],
"title": "CVE-2025-5399"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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