cve-2026-49759
HIGH CVSS 8.2 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2026-06-10 14:35 UTC
- Last Modified
- 2026-06-30
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
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"name": "erlang-tools as a component of Red Hat OpenStack Platform 17.1",
"product_id": "red_hat_openstack_platform_17.1:erlang-tools"
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"product_reference": "erlang-tools",
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{
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"vulnerabilities": [
{
"cve": "CVE-2026-49759",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
},
"discovery_date": "2026-06-10T16:01:51.030849+00:00",
"flags": [
{
"label": "vulnerable_code_not_in_execute_path",
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}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2487607"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Erlang OTP (Open Telecom Platform) erts, specifically within the `inet_drv` component. An unauthenticated remote attacker can exploit a stack-based buffer overflow vulnerability by sending a specially crafted Stream Control Transmission Protocol (SCTP) ERROR chunk. This can lead to a Denial of Service (DoS) by crashing the BEAM virtual machine. Additionally, this flaw may result in limited information disclosure by leaking small portions of Erlang VM memory.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important flaw in Erlang OTP's `inet_drv` component, which is utilized in Red Hat OpenStack Platform. An unauthenticated remote attacker can trigger a stack-based buffer overflow by sending a specially crafted SCTP ERROR chunk to a listening port, leading to a denial of service of the BEAM virtual machine. While limited information disclosure is also possible, the primary impact is system instability.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-49759"
},
{
"category": "external",
"summary": "RHBZ#2487607",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-49759",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-49759"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-49759",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49759"
},
{
"category": "external",
"summary": "https://cna.erlef.org/cves/CVE-2026-49759.html",
"url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
},
{
"category": "external",
"summary": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e",
"url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
},
{
"category": "external",
"summary": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97",
"url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
},
{
"category": "external",
"summary": "https://osv.dev/vulnerability/EEF-CVE-2026-49759",
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
},
{
"category": "external",
"summary": "https://www.erlang.org/doc/system/versions.html#order-of-versions",
"url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
}
],
"release_date": "2026-06-10T14:35:38.838000+00:00",
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
"version": "3.1"
},
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}
],
"title": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk"
}
]
}