NULL pointer dereference in Memcached
CVE-2019-11596
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.030 (86.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Memcached
- Canonical Ubuntu Linux — versions 18.04, 18.10, 19.04
Weakness classification (CWE)
References
- github.com/memcached/memcached/issues/474 (Exploit, Third Party Advisory)
- github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02 (Patch, Third Party Advisory)
- github.com/memcached/memcached/compare/ee1cfe3...50bdc9f (Patch)
- usn.ubuntu.com/3963-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html (vendor-advisory)
Frequently asked questions
- What is CVE-2019-11596?
- CVE-2019-11596 is a high-severity vulnerability in Memcached, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-04-29.
- How severe is CVE-2019-11596?
- High severity. CVSS v3 base score is 7.5 out of 10.