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Fencer Vulns
medium 5.1

CVE-2025-0633 json

Heap Overflow in iniparser.c

published 2025-02-19 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-4745

cvss
5.1
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

Heap-based Buffer Overflow vulnerability in iniparser_dumpsection_ini() in iniparser allows attacker to read out of bound memory

Patch / fix

  • iniparser Debian 14, Debian 13 4.2.6-1

debian advisories DEBIAN-CVE-2025-0633

  • iniparser Ubuntu 22.04 LTS 4.1-4ubuntu4.2
  • iniparser Ubuntu 24.04 LTS 4.1-7ubuntu0.1

ubuntu advisories UBUNTU-CVE-2025-0633

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 Basesystem 15 SP6, openSUSE Leap 15.6 4.1-150500.4.8.1
  • iniparser SLES LTSS Extended Security 12 SP5 3.1.0.git20140619_c5beb80a-3.6.1

suse advisories SUSE-SU-2025:0845-1SUSE-SU-2025:0821-1

  • iniparser openSUSE Tumbleweed 4.2.6-1.1

opensuse advisories openSUSE-SU-2025:14836-1

  • iniparser Azure Linux 3.0 4.1-8

azure linux advisories AZL-57019

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-2025-0633 updated cvss 4.0

iniparser: Heap Overflow in iniparser.c

  • Red Hat Enterprise Linux 7 iniparser
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 10 iniparser
    affected: workaround, no fix available “Fix deferred”

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
20 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

Affected products

  • iniparser iniparser

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

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.