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Fencer Vulns
medium 5.5

CVE-2023-33461 json

iniparser v4.1 is vulnerable to NULL Pointer Dereference in function iniparser_getlongint which misses check NULL for function iniparser_ge…

published 2023-06-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37624

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

iniparser v4.1 is vulnerable to NULL Pointer Dereference in function iniparser_getlongint which misses check NULL for function iniparser_getstring's return.

Patch / fix

  • iniparser Debian 14, Debian 13 4.1-7

debian advisories DEBIAN-CVE-2023-33461

  • iniparser Ubuntu 22.04 LTS 4.1-4ubuntu4.1

ubuntu advisories UBUNTU-CVE-2023-33461

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

  • iniparser SLE Module for Server Applications 15 SP5, openSUSE Leap 15.5 4.1-150500.4.3.1
  • iniparser SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 3.1.0.git20140619_c5beb80a-3.3.1

suse advisories SUSE-SU-2023:2749-1SUSE-SU-2023:2692-1

  • iniparser Package Hub 15 SP4, openSUSE Leap 15.4 4.1-bp154.2.3.1

opensuse advisories openSUSE-SU-2023:0183-1

  • iniparser Alpine 3.17 4.1-r2
  • iniparser Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 4.1-r3

alpine advisories ALPINE-CVE-2023-33461

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • iniparser Azure Linux 3.0 4.1-9

azure linux advisories AZL-34806

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-2023-33461 updated cvss 5.5

iniparser: NULL pointer cause crash in iniparser_getboolean

  • Red Hat Enterprise Linux 7 iniparser
    affected: no fix planned “Out of support scope”

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

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/ndevilla/iniparser/issues/144 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

Weakness

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.