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CVE-2026-49760

MEDIUM · CVSS 6.9 · Modified

Published: 2026-06-10 · Updated: 2026-10-26 · Source: NVD

Stored catalog record

Source record retrieved 2026-10-28T10:25:27.571252+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.

Vulnerability overview

Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The 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. The companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug. This 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.

Patch review priority

Assess exposure and vendor guidance

  • No higher-priority signal is available in the current stored evidence.

FIRST EPSS: 0.14% · percentile 3.0 · score date 2026-10-27.

EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗

Severity and scoring

CVSS score
6.9 · MEDIUM
CVSS version
4.0
CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-121

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*

    From (inclusive): 3.7.16

    Before (exclusive): 5.5.2.1

  • cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*

    From (inclusive): 5.7

    Before (exclusive): 5.7.0.1

  • cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*

    From (inclusive): 5.8

    Before (exclusive): 5.8.1

  • cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

    From (inclusive): 17.0

    Before (exclusive): 27.3.4.13

  • cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

    From (inclusive): 28.0

    Before (exclusive): 28.5.0.2

  • cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

    From (inclusive): 29.0

    Before (exclusive): 29.0.2

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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