CVE-2022-28044

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-16. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

Irzip v0.640 was discovered to contain a heap memory corruption via the component lrzip.c:initialise_control.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
79%
KEV
Not listed

Published

April 15, 2022

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Sep 18, 2026
Patch available. Sources: github_commit.
generic

[SECURITY] [DSA 5145-1] lrzip security update

https://www.debian.org/security/2022/dsa-5145
generic Patch Available

[SECURITY] [DLA 3005-1] lrzip security update

https://lists.debian.org/debian-lts-announce/2022/05/msg00016.html
generic

Deallocation of control->suffix corrupts Heap Memory · Issue #216 · ckolivas/lrzip · GitHub

https://github.com/ckolivas/lrzip/issues/216
github_commit Patch Available

commit 5faf80cd53ec (ckolivas/lrzip)

Patch available: ckolivas/lrzip v0.650 (contains commit 5faf80cd53ec)

https://github.com/ckolivas/lrzip/commit/5faf80cd53ecfd16b636d653483144cd12004f46

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulrzip (0.621-1ubuntu0.1~esm2) @ xenial2026-05-25ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(6 across 6 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
lrzip0.631+git180528-10.631+git180528-1+deb10u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
lrzip0.641-10.641-1+deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
lrzip—0.650-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
lrzip—0.650-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
lrzip—0.650-1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
lrzip0.631-1, 0.631-1+deb9u1, 0.631-1+deb9u20.631-1+deb9u3—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 27× 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 170 total refreshes for this CVE.

  1. 2026-09-19 15:38 UTCEPSS rescore
  2. 2026-09-18 19:24 UTCEPSS rescore
  3. 2026-09-16 14:05 UTCEPSS rescore
  4. 2026-09-15 03:06 UTCEPSS rescore
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  12. 2026-09-05 16:21 UTCOSV refresh
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  1. 2026-08-23 00:16 UTCEPSS rescore
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  4. 2026-08-19 17:01 UTCEPSS rescore
  5. 2026-08-19 02:59 UTCOSV refresh
  6. 2026-08-18 13:45 UTCEPSS rescore
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  8. 2026-08-16 14:53 UTCEPSS rescore
  9. 2026-08-16 02:11 UTCEPSS rescore
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  11. 2026-08-13 21:57 UTCEPSS rescore
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  20. 2026-08-04 10:35 UTCEPSS rescore
  21. 2026-08-03 22:57 UTCOSV refresh
  22. 2026-08-03 10:33 UTCEPSS rescore
  23. 2026-08-02 02:24 UTCEPSS rescore
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  25. 2026-07-30 16:25 UTCEPSS rescore
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  34. 2026-07-23 02:10 UTCEG score recompute
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  44. 2026-07-18 10:03 UTCEPSS rescore
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  46. 2026-07-17 15:59 UTCOSV refresh
  47. 2026-07-16 17:00 UTCEPSS rescore
  48. 2026-07-15 16:56 UTCEPSS rescore
  49. 2026-07-15 16:56 UTCEPSS rescore
  50. 2026-07-15 01:58 UTCEPSS rescore
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  73. 2026-06-29 14:04 UTCEPSS rescore
  74. 2026-06-29 13:53 UTCOSV refresh
  75. 2026-06-28 14:06 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-28044?
CVE-2022-28044 is a critical vulnerability published on April 15, 2022. Irzip v0.640 was discovered to contain a heap memory corruption via the component lrzip.c:initialise_control.
When was CVE-2022-28044 disclosed?
CVE-2022-28044 was first published in the National Vulnerability Database on April 15, 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-2022-28044 actively exploited?
CVE-2022-28044 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 20.9% of all scored CVEs.
What is the CVSS score of CVE-2022-28044?
CVE-2022-28044 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-28044?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28044, 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.

Dependency Blast Radius

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