🛡️ CVE-2022-32200 — libdwarf

🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-125 NVD

7.8

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-32200 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

CVE-2022-32200 is recorded against 1 package.

libdwarf

Timeline and source

Published on 2 June 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
www.prevanders.net
github.com
github.com
www.prevanders.net

CVE-2022-32200 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity HIGH

CVSS Score 7.8

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE CWE-125

Public Exploit ⚠️ Yes

Source NVD

Published 2022-06-02

Updated 2026-08-20

Modified 2026-06-17

Fix URL https://github.com/davea42/libdwarf-code/commit/8151575a6ace77d005ca5bb5d71c1bfdba3f7069

Affected Packages

Software	From version	Fixed in
libdwarf	—	—

References

Patch, Third Party Advisory https://github.com/davea42/libdwarf-code/commit/8151575a6ace77d005ca5bb5d71c1bfdba3f7069

Exploit, Issue Tracking, Third Party Advisory https://github.com/davea42/libdwarf-code/issues/116

Product, Third Party Advisory https://www.prevanders.net/dwarfbug.html

Patch, Third Party Advisory https://github.com/davea42/libdwarf-code/commit/8151575a6ace77d005ca5bb5d71c1bfdba3f7069

Exploit, Issue Tracking, Third Party Advisory https://github.com/davea42/libdwarf-code/issues/116

Product, Third Party Advisory https://www.prevanders.net/dwarfbug.html

🔗 NVD 🔗 Mitre ✅ Fix / Advisory

Similar Threats

Exploit Protection

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