CVE-2023-46853

memcached: off-by-one error when processing proxy requests in proxy mode

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Published Oct 27, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-4791-1	memcached security update
EUVD	EUVD-2023-51019	In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.
Ubuntu USN	USN-6476-1	Memcached vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.881% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/memcached/memcached/commit/6987918e9a3094ec4fc8976f01f769f624d790fa
https://github.com/memcached/memcached/compare/1.6.21...1.6.22
https://nvd.nist.gov/vuln/detail/CVE-2023-46853
https://www.cve.org/CVERecord?id=CVE-2023-46853

History

No history.

Subscriptions

Memcached Memcached

Weaknesses

CWE-193

Sources

CVE record Updated: Sep 9, 2024, 3:31 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 27, 2023, 12:00 AM
Updated: Sep 9, 2024, 3:31 PM
Reserved: Oct 27, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 8:53 PM

Updated: Aug 2, 2024, 8:53 PM

NVD Updated: Jun 17, 2026, 6:31 AM

Status: Modified
Published: Oct 27, 2023, 8:15 PM
Modified: Jun 17, 2026, 6:31 AM

View source JSON

Red Hat Updated: Oct 27, 2023, 12:00 AM

Severity: Important
Public date: Oct 27, 2023, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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