CVE-2025-71450

inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop

Published Nov 2, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Benhoyt
Benhoyt inih
Vendors & Products Benhoyt
Benhoyt inih
Type Values Removed Values Added
Description inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.
Title inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop
Weaknesses CWE-127
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 6, 2026, 7:22 PM
Reserved
Nov 2, 2026, 2:15 PM
Status
Awaiting Analysis
Published
Nov 2, 2026, 3:17 PM
Modified
Nov 6, 2026, 8:17 PM