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High 7.8Published Mar 24, 2026

CVE-2026-4775A flaw was found in the libtiff library.

Updated under an hour ago ()

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It affects libtiff and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.

CVSS
7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-190
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Oct 2, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
libtiff libtiff
libtiff:libtiff
all versions
NVD
redhat hardened_images
redhat:hardened_images
all versions
NVD
debian debian_linux
debian:debian_linux
11.0
NVD
redhat enterprise_linux
redhat:enterprise_linux
6.0; 7.0; 8.0; 9.0; 10.0
NVD

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-4775: A flaw was found in the libtiff library. | InfoSec Signals