CVE-2018-7456
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7,…
- 6.5MediumCVSS base score
- 3.0%Exploitation in 30 daysEPSS · top 13% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.0% · top 13% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
References
10
- [debian-lts-announce] 20180416 [SECURITY] [DLA 1347-1] tiff3 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3864-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4349 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://github.com/xiaoqx/pocs/tree/master/libtiff (opens in a new tab)x_refsource_MISCx_transferred
- http://bugzilla.maptools.org/show_bug.cgi?id=2778 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20180702 [SECURITY] [DLA 1411-1] tiff security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20180416 [SECURITY] [DLA 1346-1] tiff security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:2051 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:2053 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-19187 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-7456)Record last updated .