libtiff: Out-of-bound read in ZIPEncode
Published Oct 3, 2016
7.5
HIGHCVSS 3.0
EPSS 3.21%
Description
The ZIPEncode function in tif_zip.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c zip" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
libtiff
Not affected
Red Hat Enterprise Linux 6
libtiff
Not affected
Red Hat Enterprise Linux 7
compat-libtiff3
Not affected
Red Hat Enterprise Linux 7
libtiff
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libtiff | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libtiff | Not affected | n/a |
| Red Hat Enterprise Linux 7 | compat-libtiff3 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libtiff | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 6 and 7. This issue did not affect the versions of compat-libtiff3 as shipped with Red Hat Enterprise Linux 7, as they did not include the bmp2tiff tool.
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
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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.21% (0.03205) | 87.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.21% (0.03205) | 86.45th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.00% (0.01004) | 75.48th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.75% (0.00753) | 81.70th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.75% (0.00753) | 80.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00753) | 78.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://bugzilla.maptools.org/show_bug.cgi?id=2570 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/04/07/2 mailing-listx_refsource_MLISTExploitThird Party Advisory
- http://www.securitytracker.com/id/1035508 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-3620 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1316859 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-3620
- https://security.gentoo.org/glsa/201701-16 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-3620
| Link | Providers | Tags |
|---|---|---|
| http://bugzilla.maptools.org/show_bug.cgi?id=2570 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/04/07/2 | mailing-listx_refsource_MLISTExploitThird Party Advisory | |
| http://www.securitytracker.com/id/1035508 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-3620 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1316859 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-3620 | ||
| https://security.gentoo.org/glsa/201701-16 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-3620 |
Change history (0)
No recorded changes yet.