CVE-2023-46853

criticalpriority · track · 39EPSS 0.008 · 55 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.76% (55th) EPSS

CVSS 9.8 · critical

Is it mine?

14 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-193USprimaryCWE-193US

affected products (14)

Products and version ranges known to be affected.

Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 23.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 23.04fstec_bduRU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Danga Interactive memcached≤ 1.6.22fstec_bduRU
Novell Inc. openSUSE Tumbleweedall versionsfstec_bduRU
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU
АО «ИВК» Альт 8 СПall versionsfstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
memcached memcached< 1.6.22nvdUScpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
Bitnami memcached< 1.6.22osvUSpkg:bitnami/memcached

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2768memcached: Mehrere Schwachstellen ermöglichen nichtspezifizierten AngriffDeutsch2023-10-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in memcached ausnutzen, um unbekannte Auswirkungen zu verursachen.
BIT-memcached-2023-468532024-11-08vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2023-10-27modified 2026-06-17

related (331)

Related entries.

ID	severity	EPSS	exploitable	published
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Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 throug…
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A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification…
CVE-2021-23017US	high7.7	53.5% (99th)	Exploit	2021-06-01
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in…
CVE-2001-0609US	critical9.8	18.2% (97th)	Exploit	2001-08-02
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+326 more

references (9)

External citations — patches, advisories, analysis.

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