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AEGLIX vulnerability intelligence

CVE-2026-49759

HIGH · CVSS 8.8 · Modified

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

Stored catalog record

Source record retrieved 2026-10-28T10:25:27.547383+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 erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service. A crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited. 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 erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, 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: 0.50% · percentile 42.4 · 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
8.8 · HIGH
CVSS version
4.0
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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-120, 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: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

  • cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*

    From (inclusive): 6.0

    Before (exclusive): 15.2.7.9

  • cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*

    From (inclusive): 16.0

    Before (exclusive): 16.4.0.2

  • cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*

    From (inclusive): 17.0

    Before (exclusive): 17.0.2

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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