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Public proof of conceptFix available

CVE-2022-23596

A public proof of concept exists; no exploitation attested.

  • Published2022-02-01
  • Fixed in7.4.1
  • WeaknessCWE-835

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Junrar is an open source java RAR archive library. In affected versions A carefully crafted RAR archive can trigger an infinite loop while extracting said archive. The impact depends solely on how the application uses the library, and whether files can be provided by malignant users. The problem is patched in 7.4.1. There are no known workarounds and users are advised to upgrade as soon as possible.

Timeline

dates in UTC
  1. 2022-02-0112:15CVE publishedNVD

Versions per branch

NVD · OSV
Junrar project junrar
BranchAffectedFixed in
7.4< 7.4.17.4.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • com.github.junrar:junrarEcho:Mavenall versions · fixed in 0.7+echo.1

Vendor advisories

  • CVE-2022-23596 Red Hat Product Security1 product fixed · 3 known affected

    junrar: A carefully crafted RAR archive can trigger an infinite loop while extracting

    junrar as a component of Red Hat BPM Suite 6 · junrar as a component of Red Hat Integration Camel K 1 · junrar as a component of Red Hat JBoss BRMS 6

  • RHSA-2022:5532 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Fuse 7.11.0 release and security update

Full record on NVD

Fix

  1. Update Junrar project junrar to 7.4.1
  2. Vendor fix Red Hat Product Security RHSA-2022:5532 · 1 productBefore applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Installation instructions are available from the Fuse 7.11.0 product documentation page: https://access.redhat.com/documentation/en-us/red_ha…
  3. No fix available, says the vendor Red Hat Product Security CVE-2022-23596 · 1 productAffected
  4. No fix planned, says the vendor Red Hat Product Security CVE-2022-23596 · 2 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-04-25
  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CISA-ADPweakness (CWE)CWE-8352025-05-05
  • NVDweakness (CWE)CWE-835read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2022-01-31

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-02-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m6cj-93v6-cvr5

Frequently asked questions

What is CVE-2022-23596?

Junrar is an open source java RAR archive library. In affected versions A carefully crafted RAR archive can trigger an infinite loop while extracting said archive. The impact depends solely on how the application uses the library, and whether files can be provided by malignant users. The problem is patched in 7.4.1. There are no known workarounds and users are advised to upgrade as soon as possible.

Is CVE-2022-23596 actively exploited?

A proof-of-concept exploit exists for CVE-2022-23596, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-23596?

CVE-2022-23596 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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