How severe is CVE-2017-9147?

CVE-2017-9147 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-9147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9147?

CVE-2017-9147 affects Libtiff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9147?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9147 published?

CVE-2017-9147 was published on 2017-05-22 and last updated on 2026-06-17.

CVE-2017-9147

CVE-2017-9147 is a medium-severity vulnerability in Libtiff with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Libtiff
Published: 2017-05-22
Last modified: 2026-06-17

Description

LibTIFF 4.0.7 has an invalid read in the _TIFFVGetField function in tif_dir.c, which might allow remote attackers to cause a denial of service (crash) via a crafted TIFF file.

Frequently asked questions

What is CVE-2017-9147?: LibTIFF 4.0.7 has an invalid read in the _TIFFVGetField function in tif_dir.c, which might allow remote attackers to cause a denial of service (crash) via a crafted TIFF file.
How severe is CVE-2017-9147?: CVE-2017-9147 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9147?: CVE-2017-9147 affects Libtiff. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9147 published?: CVE-2017-9147 was published on 2017-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libtiff:libtiff:4.0.7:*:*:*:*:*:*:*

More vulnerabilities in Libtiff

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CVE-2016-9540 — Critical (CVSS 9.8): tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width.…
CVE-2016-9539 — Critical (CVSS 9.8): tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.
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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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