{"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"}}]}}