What is CVE-2022-34299?

CVE-2022-34299 is a high-severity vulnerability in Libdwarf Project, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2022-06-23.

How severe is CVE-2022-34299?

High severity. CVSS v3 base score is 8.1 out of 10.

Out-of-bounds Read in Libdwarf Project

CVE-2022-34299

There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.

Vulnerability class: Buffer Overflow

Published 2022-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.014 · change: +0.002

Affected products

Libdwarf Project — versions 0.4.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/davea42/libdwarf-code/issues/119 (Exploit, Third Party Advisory, Issue Tracking)
github.com/davea42/libdwarf-code/commit/7ef09e1fc9ba07653dd078edb2408631c7969162 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-34299?: CVE-2022-34299 is a high-severity vulnerability in Libdwarf Project, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2022-06-23.
How severe is CVE-2022-34299?: High severity. CVSS v3 base score is 8.1 out of 10.