vim: Integer overflow at a u_read_undo memory allocation site
Published Feb 27, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.72%
Description
An integer overflow at a u_read_undo memory allocation site would occur for vim before patch 8.0.0377, if it does not properly validate values for tree length when reading a corrupted undo file, which may lead to resultant buffer overflows.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
vim
Not affected
Red Hat Enterprise Linux 6
vim
Not affected
Red Hat Enterprise Linux 7
vim
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | vim | Not affected | n/a |
| Red Hat Enterprise Linux 6 | vim | Not affected | n/a |
| Red Hat Enterprise Linux 7 | vim | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:P/I:P/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 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.72% (0.02718) | 85.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.74% (0.02740) | 84.17th | v5 (v2026.06.15) |
| Mar 19, 2025 | 0.62% (0.00623) | 67.41th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.94% (0.00939) | 83.25th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.94% (0.00939) | 82.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.94% (0.00939) | 80.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
References (11)
- http://www.securityfocus.com/bid/96451 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1037949 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2017-6349 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1427944 Issue Tracking
- https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c x_refsource_MISCPatchThird Party Advisory
- https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA x_refsource_MISC
- https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2017-6349
- https://security.gentoo.org/glsa/201706-26 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/4309-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-6349
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/96451 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1037949 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2017-6349 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1427944 | Issue Tracking | |
| https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c | x_refsource_MISCPatchThird Party Advisory | |
| https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA | x_refsource_MISC | |
| https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-6349 | ||
| https://security.gentoo.org/glsa/201706-26 | vendor-advisoryx_refsource_GENTOO | |
| https://usn.ubuntu.com/4309-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-6349 |
Change history (0)
No recorded changes yet.