There is a heap-based buffer over-read in libdwarf 0.4.0.
Priority LOW 38CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.
Why it matters now
EPSS 0.01425 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libdwarf_project:libdwarf:0.4.0:*:*:*:*:*:*:* | 0.4.0 | Vulnerable | Libdwarf Project |
- cpe:2.3:a:libdwarf_project:libdwarf:0.4.0:*:*:*:*:*:*:* Versions 0.4.0 Vulnerable ·Libdwarf Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34299
- 2026-10-03 Alias added: GHSA-3j8p-q74h-4pxp
References
More Libdwarf Project Libdwarf vulnerabilities
- TI-2016-07781 (1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124… CVSS 3.1CRITICAL 9.8
- TI-2017-06517 An issue, also known as DW201703-006, was discovered in libdwarf 2017-03-21. CVSS 3.1CRITICAL 9.8
- TI-2017-06520 An issue, also known as DW201703-001, was discovered in libdwarf 2017-03-21. CVSS 3.1CRITICAL 9.8
- TI-2017-06519 An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. CVSS 3.1CRITICAL 9.8
- TI-2016-07746 libdwarf 2016-10-21 allows context-dependent attackers to obtain sensitive information or… CVSS 3.0CRITICAL 9.1
- TI-2017-06518 An issue, also known as DW201703-005, was discovered in libdwarf 2017-03-21. CVSS 3.1CRITICAL 9.1
Sources
- CVE-2022-34299 · CVE Program
- CVE-2022-34299 · NVD
- FIRST EPSS
- GHSA-3j8p-q74h-4pxp · GitHub Advisory Database · CC BY 4.0
- CVE-2022-34299 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences