libtiff: integer overflow in _TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c
Published Aug 14, 2019
6.5
MEDIUMCVSS 3.1
EPSS 4.20%
Description
_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
- 10.0
Configuration 3
- 30
- 31
No data.
Red Hat Enterprise Linux 7
libtiff-0:4.0.3-35.el7
Fixed · RHSA-2020:3902
Red Hat Enterprise Linux 8
libtiff-0:4.0.9-17.el8
Fixed · RHSA-2020:1688
Red Hat Enterprise Linux 5
libtiff
Out of support scope
Red Hat Enterprise Linux 6
libtiff
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libtiff-0:4.0.3-35.el7 | Fixed | RHSA-2020:3902 |
| Red Hat Enterprise Linux 8 | libtiff-0:4.0.9-17.el8 | Fixed | RHSA-2020:1688 |
| Red Hat Enterprise Linux 5 | libtiff | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | libtiff | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:M/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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 4.20% (0.04204) | 90.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.24% (0.04239) | 89.71th | v5 (v2026.06.15) |
| May 31, 2026 | 3.13% (0.03130) | 87.09th | v4 (v2025.03.14) |
| Jan 8, 2026 | 0.82% (0.00821) | 73.90th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.85% (0.01853) | 81.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.73% (0.00725) | 70.90th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.29% (0.01294) | 85.99th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.29% (0.01294) | 84.29th | v3 (v2023.03.01) |
| Jul 21, 2023 | 0.66% (0.00655) | 76.77th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.57% (0.00574) | 74.96th | v3 (v2023.03.01) |
| Jun 18, 2023 | 0.40% (0.00398) | 69.82th | v3 (v2023.03.01) |
| May 8, 2023 | 0.56% (0.00564) | 74.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.81% (0.00813) | 79.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.61% (0.11613) | 88.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.22% (0.10225) | 87.52th | v1 |
| Jan 6, 2022 | 10.22% (0.10225) | 87.37th | v1 |
| Sep 1, 2021 | 2.48% (0.02476) | 78.74th | v1 |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-14973 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1745951 Issue Tracking
- https://gitlab.com/libtiff/libtiff/merge_requests/90 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00031.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-14973
- https://seclists.org/bugtraq/2019/Nov/5 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/32 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-14973
- https://www.debian.org/security/2020/dsa-4608 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2020/dsa-4670 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.