Priority LOW 38
In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.0055 · Published 2026-05-20 · Partial fix · 1.6.42 CWE-208
Priority MEDIUM 40
In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.01264 · Published 2026-05-20 · Fixed in 1.6.42 CWE-208
Priority MEDIUM 51
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 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00881 · Published 2023-10-27 · No fix listed CWE-193
Priority MEDIUM 41
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.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00907 · Published 2023-10-27 · No fix listed CWE-120
Priority MEDIUM 41
memcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01094 · Published 2023-08-22 · No fix listed CWE-400
Priority HIGH 72
Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta command.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01337 · Published 2023-08-22 · No fix listed CWE-77
Priority MEDIUM 58
Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.
CVSS 3.1MEDIUM 5.5· Local · No auth · User interaction · EPSS 0.00363 · Published 2023-02-03 · Fix deferred CWE-787
Priority MEDIUM 55
Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.28144 · Published 2020-03-24 · No fix listed CWE-120
Priority LOW 38
memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02638 · Published 2019-08-30 · Will not fix CWE-125
Priority LOW 38
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02958 · Published 2019-04-29 · Partial fix CWE-476
Priority LOW 37
memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02265 · Published 2018-03-13 · Partial fix CWE-190
Priority HIGH 75
Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume (Network Amplification, CWE-406) vulnerability in the UDP support of the memcached server that can result in denial of service via networ…
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.88002 · Published 2018-03-05 · Partial fix CWE-400
Priority MEDIUM 40
The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a comparison between signed an…
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.04166 · Published 2017-07-17 · Will not fix
Priority HIGH 65
An integer overflow in process_bin_sasl_auth function in Memcached, which is responsible for authentication commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
CVSS 3.0HIGH 8.1· Network · No auth · No interaction · EPSS 0.45703 · Published 2017-01-06 · Partial fix CWE-190
Priority MEDIUM 61
Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code exe…
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.19854 · Published 2017-01-06 · Partial fix CWE-190
Priority MEDIUM 62
An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote cod…
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.23173 · Published 2017-01-06 · Partial fix CWE-190
Priority LOW 12
memcached before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (crash) via a request that triggers an "unbounded key print" during logging, related to an issue that was "quick…
CVSS 2.0LOW 1.8· Adjacent network · No auth · Interaction — · EPSS 0.00931 · Published 2014-01-13 · Will not fix CWE-119
Priority LOW 12
The do_item_get function in items.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fault) via a request to delete a k…
CVSS 2.0LOW 1.8· Adjacent network · No auth · Interaction — · EPSS 0.00931 · Published 2014-01-13 · Will not fix CWE-119
Priority LOW 24
memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials.
CVSS 2.0MEDIUM 4.8· Adjacent network · No auth · Interaction — · EPSS 0.0118 · Published 2014-01-13 · No fix listed CWE-287
Priority LOW 13
The process_bin_delete function in memcached.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fault) via a request to…
CVSS 2.0LOW 1.8· Adjacent network · No auth · Interaction — · EPSS 0.01498 · Published 2014-01-13 · Will not fix CWE-119
Priority MEDIUM 43
Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote at…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.22317 · Published 2013-12-12 · Will not fix CWE-189