memcached: stack-based buffer over-read in conn_to_str in memcached.c
Published Aug 30, 2019
7.5
HIGHCVSS 3.0
EPSS 2.64%
Description
memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
memcached
Not affected
Red Hat Enterprise Linux 7
memcached
Not affected
Red Hat Enterprise Linux 8
memcached
Will not fix
Red Hat OpenStack Platform 10 (Newton)
memcached
Will not fix
Red Hat OpenStack Platform 13 (Queens)
memcached
Will not fix
Red Hat OpenStack Platform 14 (Rocky)
memcached
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | memcached | Not affected | n/a |
| Red Hat Enterprise Linux 7 | memcached | Not affected | n/a |
| Red Hat Enterprise Linux 8 | memcached | Will not fix | n/a |
| Red Hat OpenStack Platform 10 (Newton) | memcached | Will not fix | n/a |
| Red Hat OpenStack Platform 13 (Queens) | memcached | Will not fix | n/a |
| Red Hat OpenStack Platform 14 (Rocky) | memcached | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The versions of memcached shipped with Red Hat Enterprise Linux 5 to 7 are not affected by this issue as it doesn't contain the vulnerable source code.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (15 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.64% (0.02638) | 85.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.64% (0.02638) | 83.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.29% (0.01291) | 77.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.97% (0.02971) | 77.48th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.32% (0.01324) | 86.15th | v3 (v2023.03.01) |
| Dec 24, 2023 | 1.32% (0.01324) | 84.51th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.95% (0.00950) | 81.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00425) | 70.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.17% (0.19173) | 93.71th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.85% (0.07855) | 85.01th | v1 |
| Jan 6, 2022 | 7.85% (0.07855) | 84.84th | v1 |
| Jan 5, 2022 | 1.86% (0.01865) | 76.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2019-15026 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1753862 Issue Tracking
- https://github.com/memcached/memcached/commit/554b56687a19300a75ec24184746b5512580c819 x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/memcached/memcached/wiki/ReleaseNotes1517 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00006.html mailing-listx_refsource_MLIST
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOD422IS2OPXRDID5EKFZHFUHK2BLQGJ/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYGUBOEM5HX4GRMWVEKOJUFICF77ME47/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QDBV5OGV3FJDAH4NO4JSXNRWHDGGKWYB/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-15026
- https://usn.ubuntu.com/4125-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-15026
Change history (0)
No recorded changes yet.