CVE-2023-46852
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy...
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
CVE-2023-46852- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
CVE-2023-46852- Updated
- 2026-11-02
EUVDEUVD-2023-51018 No score
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
EUVD-2023-51018- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-47qj-rqv2-98f2
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy...
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
GHSA-47qj-rqv2-98f2- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVAZL-31716
CVE-2023-46852 affecting package memcached for versions less than 1.6.22-1
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
AZL-31716- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVAZL-34976
CVE-2023-46852 affecting package memcached for versions less than 1.6.27-1
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
AZL-34976- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2023-46852
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
DEBIAN-CVE-2023-46852- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-46852
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
UBUNTU-CVE-2023-46852- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVBIT-memcached-2023-46852 No score
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
BIT-memcached-2023-46852- Updated
- 2026-11-02
OSV No score
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
- Record
CVE-2023-46852- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:13427-1 No score
memcached-1.6.22-1.1 on GA media
These are all security issues fixed in the memcached-1.6.22-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:13427-1- Updated
- 2026-11-02
OSVUSN-6476-1 No score
memcached vulnerabilities
It was discovered that Memcached incorrectly handled certain multiget requests in proxy mode. A remote attacker could use this issue to cause Memcached to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-46852)
It was discovered that Memcached incorrectly handled certain proxy requests in proxy mode. A remote attacker could use this issue to cause Memcached to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-46853)
- Record
USN-6476-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
memcachedAzure Linux:2 |
before 1.6.22-1 | 1.6.22-1 |
memcachedAzure Linux:3 |
before 1.6.27-1 | 1.6.27-1 |
memcachedBitnami |
before 1.6.22 | 1.6.22 |
memcachedDebian:12 |
before 1.6.18-1+deb12u1, plus listed versions 1.6.18-1 |
1.6.18-1+deb12u1 |
memcachedDebian:13 |
before 1.6.22-1 | 1.6.22-1 |
memcachedDebian:14 |
before 1.6.22-1 | 1.6.22-1 |
memcachedUbuntu:22.04:LTS |
before 1.6.14-1ubuntu0.1, plus listed versions 1.6.9+dfsg-1build11.6.12+dfsg-2ubuntu11.6.12+dfsg-31.6.12+dfsg-41.6.13-11.6.14-1 |
1.6.14-1ubuntu0.1 |
memcachedUbuntu:22.04:LTS From an advisory covering 2 CVEs |
before 1.6.14-1ubuntu0.1, plus listed versions 1.6.9+dfsg-1build11.6.12+dfsg-2ubuntu11.6.12+dfsg-31.6.12+dfsg-41.6.13-11.6.14-1 |
1.6.14-1ubuntu0.1 |
memcachedopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 1.6.22-1.1 | 1.6.22-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-46852 is a high vulnerability (CVSS 7.5) in Memcached, published October 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. Fixed in memcached 1.6.22-1.
References
github.com/memcached/memcached/commit/76a6c363c18cfe7b6a1524ae64202ac9db330767
nvd.nist.gov/vuln/detail/CVE-2023-46852
security-tracker.debian.org/tracker/CVE-2023-46852