CVE-2019-15026
CVE-2019-15026 is a high-severity vulnerability in Memcached with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Memcached
- Published:
- Last modified:
Description
memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
Frequently asked questions
- What is CVE-2019-15026?
- memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
- How severe is CVE-2019-15026?
- CVE-2019-15026 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-15026 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-15026?
- CVE-2019-15026 affects Memcached. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-15026?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-15026 published?
- CVE-2019-15026 was published on 2019-08-30 and last updated on 2026-06-17.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/554b56687a19300a75ec24184746b5512580c819
- https://github.com/memcached/memcached/wiki/ReleaseNotes1517
- https://lists.debian.org/debian-lts-announce/2019/09/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOD422IS2OPXRDID5EKFZHFUHK2BLQGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYGUBOEM5HX4GRMWVEKOJUFICF77ME47/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QDBV5OGV3FJDAH4NO4JSXNRWHDGGKWYB/
- https://usn.ubuntu.com/4125-1/
Affected products (1)
- cpe:2.3:a:memcached:memcached:1.5.16:*:*:*:*:*:*:*
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