libtiff: Null pointer dereference in TIFFFetchNormalTag() (regression of CVE-2016-9297)
Published Jan 27, 2017
7.5
HIGHCVSS 3.0
EPSS 4.98%
Description
The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
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
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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.98% (0.04975) | 91.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.98% (0.04975) | 91.06th | v5 (v2026.06.15) |
| Jun 12, 2026 | 1.61% (0.01610) | 82.24th | v4 (v2025.03.14) |
| May 27, 2026 | 3.31% (0.03306) | 87.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.64% (0.01640) | 80.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.74% (0.02744) | 76.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.64% (0.01640) | 80.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.39% (0.01391) | 86.93th | v3 (v2023.03.01) |
| Feb 9, 2024 | 1.39% (0.01391) | 85.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.38% (0.01377) | 84.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (10)
- http://bugzilla.maptools.org/show_bug.cgi?id=2593 x_refsource_MISCIssue Tracking
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.debian.org/security/2017/dsa-3762 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/11/18/15 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94420 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9448 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1397734 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-9448
- https://security.gentoo.org/glsa/201701-16 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-9448
| Link | Providers | Tags |
|---|---|---|
| http://bugzilla.maptools.org/show_bug.cgi?id=2593 | x_refsource_MISCIssue Tracking | |
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://www.debian.org/security/2017/dsa-3762 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2016/11/18/15 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/94420 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9448 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1397734 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9448 | ||
| https://security.gentoo.org/glsa/201701-16 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-9448 |
Change history (0)
No recorded changes yet.