CVE-2022-34299

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2022-06-24. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
72%
KEV
Not listed

Published

June 23, 2022

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Sep 12, 2026
Patch available. Sources: github_commit.
generic

heap overflow in dwarf_global_formref_b · Issue #119 · davea42/libdwarf-code · GitHub

https://github.com/davea42/libdwarf-code/issues/119
github_commit Patch Available

commit 7ef09e1fc9ba (davea42/libdwarf-code)

Patch available: davea42/libdwarf-code v0.4.1 (contains commit 7ef09e1fc9ba)

https://github.com/davea42/libdwarf-code/commit/7ef09e1fc9ba07653dd078edb2408631c7969162

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
dwarfutils1:0.11.1-1, 1:0.11.1-1~exp1, 1:0.11.1-1~exp2, 20201201-1, 20210528-1——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
dwarfutils1:0.11.1-1, 1:0.11.1-1~exp1, 1:0.11.1-1~exp2, 20210528-1——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
dwarfutils—1:0.11.1-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
dwarfutils—1:0.11.1-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 171 total refreshes for this CVE.

  1. 2026-09-24 18:46 UTCOSV refresh
  2. 2026-09-24 14:00 UTCEPSS rescore
  3. 2026-09-22 14:45 UTCEPSS rescore
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  1. 2026-08-26 14:43 UTCEPSS rescore
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  51. 2026-07-17 05:24 UTCOSV refresh
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Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2022-34299?
CVE-2022-34299 is a high vulnerability published on June 23, 2022. There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarfglobalformref_b.
When was CVE-2022-34299 disclosed?
CVE-2022-34299 was first published in the National Vulnerability Database on June 23, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-34299 actively exploited?
CVE-2022-34299 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 28.1% of all scored CVEs.
What is the CVSS score of CVE-2022-34299?
CVE-2022-34299 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2022-34299?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-34299, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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