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vuln-cve/data/2026/49xxx/CVE-2026-49760.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49760",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-06-01T13:45:22.449Z",
"datePublished": "2026-06-10T14:35:36.804Z",
"dateUpdated": "2026-09-24T20:42:47.418Z"
},
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"modules": [
"erl_interface"
],
"packageName": "otp",
"packageURL": "pkg:software-id/erlang.org/otp",
"product": "OTP",
"programFiles": [
"lib/erl_interface/src/misc/ei_printterm.c"
],
"programRoutines": [
{
"name": "ei_s_print_term"
}
],
"vendor": "Erlang",
"versions": [
{
"changes": [
{
"at": "27.3.4.13",
"status": "unaffected"
},
{
"at": "28.5.0.2",
"status": "unaffected"
},
{
"at": "29.0.2",
"status": "unaffected"
}
],
"lessThan": "*",
"status": "affected",
"version": "17.0",
"versionType": "otp"
}
]
},
{
"cpes": [
"cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"modules": [
"erl_interface"
],
"packageName": "erl_interface",
"packageURL": "pkg:otp/erl_interface?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
"product": "OTP",
"programFiles": [
"src/misc/ei_printterm.c"
],
"programRoutines": [
{
"name": "ei_s_print_term"
}
],
"repo": "https://github.com/erlang/otp",
"vendor": "Erlang",
"versions": [
{
"changes": [
{
"at": "5.5.2.1",
"status": "unaffected"
},
{
"at": "5.7.0.1",
"status": "unaffected"
},
{
"at": "5.8.1",
"status": "unaffected"
}
],
"lessThan": "*",
"status": "affected",
"version": "3.7.16",
"versionType": "otp"
}
]
},
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"modules": [
"erl_interface"
],
"packageName": "erlang/otp",
"packageURL": "pkg:github/erlang/otp",
"product": "OTP",
"programFiles": [
"lib/erl_interface/src/misc/ei_printterm.c"
],
"programRoutines": [
{
"name": "ei_s_print_term"
}
],
"repo": "https://github.com/erlang/otp",
"vendor": "Erlang",
"versions": [
{
"lessThan": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
"status": "affected",
"version": "84adefa331c4159d432d22840663c38f155cd4c1",
"versionType": "git"
},
{
"lessThan": "*",
"status": "unaffected",
"version": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
"versionType": "git"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
"versionEndExcluding": "27.3.4.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
"versionEndExcluding": "28.5.0.2",
"versionStartIncluding": "28.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
"versionEndExcluding": "29.0.2",
"versionStartIncluding": "29.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jonatan Männchen / EEF"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Sverker Eriksson"
}
],
"datePublic": "2026-06-10T14:35:36.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow.</p>\n<p>This vulnerability is associated with program file <code>lib/erl_interface/src/misc/ei_printterm.c</code> and program routine <code>ei_s_print_term</code>.</p>\n<p>The C function <code>ei_s_print_term</code> uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of <code>0</code>-<code>9</code> and <code>A</code>-<code>F</code>, which limits exploitation to Denial of Service.</p>\n<p>The companion function <code>ei_print_term</code>, which prints directly to a <code>FILE</code> instead of a memory buffer, does not contain this bug.</p>\n<p>This issue affects OTP from OTP&nbsp;17.0 before OTP&nbsp;27.3.4.13, OTP&nbsp;28.5.0.2, and OTP&nbsp;29.0.2, corresponding to erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP&nbsp;17.0, corresponding to erl_interface before 3.7.16, is affected is unknown.</p>"
},
{
"base64": false,
"type": "text/markdown",
"value": "Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow.\n\nThis vulnerability is associated with program file `lib/erl_interface/src/misc/ei_printterm.c` and program routine `ei_s_print_term`.\n\nThe C function `ei_s_print_term` uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of `0`-`9` and `A`-`F`, which limits exploitation to Denial of Service.\n\nThe companion function `ei_print_term`, which prints directly to a `FILE` instead of a memory buffer, does not contain this bug.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown."
}
],
"value": "Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow.\n\nThis vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term.\n\nThe C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service.\n\nThe companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown."
}
],
"impacts": [
{
"capecId": "CAPEC-8",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-8 Buffer Overflow in an API Call"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121 Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-09-24T20:42:47.418Z"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
},
{
"name": "EEF CNA record for CVE-2026-49760",
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-49760.html"
},
{
"name": "OSV record EEF-CVE-2026-49760",
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-49760"
},
{
"name": "Erlang/OTP version ordering",
"tags": [
"x_version-scheme"
],
"url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
},
{
"name": "Fix commit 0bef277 in erlang/otp",
"tags": [
"patch"
],
"url": "https://github.com/erlang/otp/commit/0bef277b2d39dc8babb9ceb4f5d0a456f3007111"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Stack Buffer Overflow in ei_s_print_term at Very Large Integer",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Avoid calling <code>ei_s_print_term</code> with untrusted data whose encoded integer representation could exceed 2000 characters.</p>"
},
{
"base64": false,
"type": "text/markdown",
"value": "Avoid calling `ei_s_print_term` with untrusted data whose encoded integer representation could exceed 2000 characters."
}
],
"value": "Avoid calling ei_s_print_term with untrusted data whose encoded integer representation could exceed 2000 characters."
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-10T16:16:14.697009Z",
"id": "CVE-2026-49760",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-10T16:16:28.366Z"
}
}
]
}
}
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