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Fencer Vulns
high 7.8

CVE-2024-1013 json

Unixodbc: out of bounds stack write due to pointer-to-integer types conversion

published 2024-03-18 2 y ago modified 2026-11-05 3 d ago also BIT-unixodbc-2024-1013 , EUVD-2024-16790

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

An out-of-bounds stack write flaw was found in unixODBC on 64-bit architectures where the caller has 4 bytes and callee writes 8 bytes. This issue may go unnoticed on little-endian architectures, while big-endian architectures can be broken.

Patch / fix

  • unixodbc unixodbc 2.3.13
  • unixodbc Debian 14 2.3.14-1

debian advisories DEBIAN-CVE-2024-1013

  • unixodbc Ubuntu 20.04 LTS 2.3.6-0.1ubuntu0.1
  • unixodbc Ubuntu 22.04 LTS 2.3.9-5ubuntu0.1
  • unixodbc Ubuntu 24.04 LTS 2.3.12-1ubuntu0.24.04.1
  • unixodbc Ubuntu Pro 16.04 LTS 2.3.1-4.1ubuntu0.1~esm2
  • unixodbc Ubuntu Pro 18.04 LTS 2.3.4-1.1ubuntu3+esm1

ubuntu advisories UBUNTU-CVE-2024-1013

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • unixODBC SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 2.3.9-7.16.1

suse advisories SUSE-SU-2024:2978-1

  • unixODBC CBL-Mariner 2.0 2.3.9-3
  • unixODBC Azure Linux 3.0 2.3.12-2

azure linux advisories AZL-36896AZL-36904

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-1013 updated cvss 7.8

unixODBC: out of bounds stack write due to pointer-to-integer types conversion

  • Red Hat Enterprise Linux 6 unixODBC, unixODBC-kde Red Hat Enterprise Linux 7 unixODBC, compat-unixODBC234
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 unixODBC Red Hat Enterprise Linux 9 unixODBC
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami unixodbc — no fix listed

Affected products

  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness
  • CWE-823 Use of Out-of-range Pointer Offset

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Fix CPE version details.