sqlite: heap-based buffer over-read in function fts5HashEntrySort in sqlite3.c
Published Mar 22, 2019
7.5
HIGHCVSS 3.0
EPSS 4.84%
Description
In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5_hash.c.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
sqlite
Not affected
Red Hat Enterprise Linux 6
sqlite
Not affected
Red Hat Enterprise Linux 7
sqlite
Not affected
Red Hat Enterprise Linux 8
sqlite
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | sqlite | Not affected | n/a |
| Red Hat Enterprise Linux 6 | sqlite | Not affected | n/a |
| Red Hat Enterprise Linux 7 | sqlite | Not affected | n/a |
| Red Hat Enterprise Linux 8 | sqlite | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This vulnerability is rated as low severity because it allows an attacker to obtain information through a heap-based buffer over-read, it could lead to data leakage, it does not pose an immediate risk to system integrity or availability. This issue did not affect the versions of sqlite as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for fts5.
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:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.84% (0.04843) | 91.73th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.34% (0.04344) | 90.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.67% (0.05673) | 91.97th | v5 (v2026.06.15) |
| Oct 27, 2025 | 4.58% (0.04579) | 88.74th | v4 (v2025.03.14) |
| Aug 30, 2025 | 3.42% (0.03424) | 87.00th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.63% (0.04627) | 88.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.83% (0.11835) | 89.51th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.63% (0.04627) | 88.55th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.10% (0.02102) | 88.83th | v3 (v2023.03.01) |
| Dec 12, 2024 | 4.29% (0.04292) | 92.62th | v3 (v2023.03.01) |
| Mar 15, 2024 | 4.59% (0.04588) | 92.33th | v3 (v2023.03.01) |
| Nov 8, 2023 | 3.40% (0.03398) | 90.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00530) | 73.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 24.56% (0.24563) | 95.26th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.74% (0.11741) | 88.45th | v1 |
| Jan 6, 2022 | 11.74% (0.11741) | 88.31th | v1 |
| Sep 1, 2021 | 2.88% (0.02880) | 80.71th | v1 |
| Apr 14, 2021 | 2.88% (0.02880) | 0.00th | v1 |
References (17)
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/107562 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-9936 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1692365 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html mailing-listx_refsource_MLIST
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-9936
- https://security.gentoo.org/glsa/201908-09 vendor-advisoryx_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20190416-0005/ x_refsource_CONFIRMThird Party Advisory
- https://sqlite.org/src/info/b3fa58dd7403dbd4 x_refsource_MISCPatchVendor Advisory
- https://usn.ubuntu.com/4019-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-9936
- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114382.html x_refsource_MISC
- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114394.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html x_refsource_MISC
Change history (0)
No recorded changes yet.