CVE-2022-32200

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

7.8 HighFix available

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.98%Up 0.1 points since Jun 1, 2022

What each source reports

NVD Score used 7.8

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: CVE-2022-32200
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: CVE-2022-32200
Updated: 2026-11-02

EUVDEUVD-2022-53408 No score

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: EUVD-2022-53408
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rwv7-v2jh-c38r 7.8

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: GHSA-rwv7-v2jh-c38r
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-32200 7.8

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: UBUNTU-CVE-2022-32200
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV No score

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: CVE-2022-32200
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-32200 No score

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

Record: DEBIAN-CVE-2022-32200
Updated: 2026-11-03

OSVopenSUSE-SU-2024:12134-1 No score

libdwarf-devel-0.4.0-3.1 on GA media

These are all security issues fixed in the libdwarf-devel-0.4.0-3.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:12134-1
Updated: 2026-11-02

OSVUSN-7576-1 No score

dwarfutils vulnerabilities

It was discovered that dwarfutils did not correctly certain memory operations, which could lead to a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Record: USN-7576-1
Updated: 2026-11-02

Affected products

libdwarf project libdwarf

Affected packages

Affected packages
Package	Affected	Fixed
`dwarfutils` Debian:12	All versions, plus listed versions 1:0.11.1-11:0.11.1-1~exp11:0.11.1-1~exp220210528-1	None known
`dwarfutils` Debian:13	before 1:0.11.1-1	1:0.11.1-1
`dwarfutils` Debian:14	before 1:0.11.1-1	1:0.11.1-1
`dwarfutils` Ubuntu:16.04:LTS	All versions, plus listed versions 20120410-220120410-2+deb7u2build0.16.04.1	None known
`dwarfutils` Ubuntu:18.04:LTS	All versions, plus listed versions 20170709-120180129-1	None known
`dwarfutils` Ubuntu:20.04:LTS	All versions, plus listed versions 20180809-120190529-120191104-120191104-1ubuntu120200114-1	None known
`dwarfutils` Ubuntu:Pro:22.04:LTS	before 20210528-1ubuntu0.22.04.1~esm1, plus listed versions 20201201-120210528-1	20210528-1ubuntu0.22.04.1~esm1
`dwarfutils` Ubuntu:Pro:24.04:LTS	before 20210528-1ubuntu0.24.04.1~esm1, plus listed versions 20210528-120210528-1build120210528-1build2	20210528-1ubuntu0.24.04.1~esm1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-32200 is a high vulnerability (CVSS 7.8) in Libdwarf Project Libdwarf, published June 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in dwarfutils 1:0.11.1-1.

References

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