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Fencer Vulns
low 3.3

CVE-2023-32181 json

Stack buffer overflow in "econf_writeFile" function

published 2023-06-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36449

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in openSUSE libeconf allows for DoS via malformed configuration files This issue affects libeconf: before 0.5.2.

Patch / fix

  • openSUSE libeconf 0.5.2
  • libeconf Debian 12 0.5.1+dfsg1-1+deb12u1
  • libeconf Debian 14, Debian 13 0.5.2+dfsg1-1

debian advisories DEBIAN-CVE-2023-32181

  • libeconf SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4, SLE Micro 5.5 +4 more 0.5.2-150400.3.6.1
  • libeconf SLE Micro 5.2, SLE Micro 5.1, Manager Server 4.2 +1 more 0.5.2-150300.3.11.1

suse advisories SUSE-SU-2024:2426-1SUSE-SU-2023:3954-2SUSE-SU-2023:3954-1SUSE-SU-2023:3639-1

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-2023-32181 updated cvss 6.5

libeconf: stack-based buffer overflow in econf_writeFile() in lib/libeconf.c

  • Red Hat Enterprise Linux 9 libeconf
    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
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/openSUSE/libeconf/issues/178 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • openSUSE libeconf

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.