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Sereal EUVDEUVD-2024-55511

| CVE-2024-14030 HIGH
Dependency on Vulnerable Third-Party Component (CWE-1395)
2026-03-31 CPANSec
8.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 31, 2026 - 11:45 euvd
EUVD-2024-55511
CVE Published
Mar 31, 2026 - 11:31 nvd
HIGH 8.1

DescriptionCVE.org

Sereal::Decoder versions from 4.000 through 4.009_002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library.

Sereal::Decoder embeds a version of the Zstandard (zstd) library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.

AnalysisAI

Sereal::Decoder versions from 4.000 through 4.009_002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.

Technical ContextAI

This vulnerability is classified under CWE-1395. Sereal::Decoder versions from 4.000 through 4.009_002 for Perl is vulnerable to a buffer overwrite flaw in the Zstandard library. Sereal::Decoder embeds a version of the Zstandard (zstd) library that is vulnerable to CVE-2019-11922. This is a race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used. Affected products include: Yves Sereal. Version information: through 4.009.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Vendor StatusVendor

Debian

libsereal-encoder-perl
Release Status Fixed Version Urgency
bullseye fixed 4.018+ds-1 -
bookworm fixed 5.003+ds-1 -
forky, sid, trixie fixed 5.004+ds-1 -
(unstable) not-affected - -

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EUVD-2024-55511 vulnerability details – vuln.today

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