CVE-2022-26291

MEDIUM
5.5
CVSS Score
Published: March 28, 2022 at 09:52 PM UTC
Updated: June 17, 2026 at 04:34 AM UTC
2 products affected across 2 vendorsDebian LinuxLong Range Zip

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.9%

Description

lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
https://github.com/ckolivas/lrzip/issues/206
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2022/dsa-5145

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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