How severe is CVE-2025-8851?

CVE-2025-8851 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-8851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8851?

CVE-2025-8851 affects Libtiff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8851?

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

Does CVE-2025-8851 have an EU (EUVD) identifier?

Yes. CVE-2025-8851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24150.

When was CVE-2025-8851 published?

CVE-2025-8851 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-8851

CVE-2025-8851 is a medium-severity vulnerability in Libtiff with a CVSS 3.x base score of 5.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 4.8
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24150
Weakness: CWE-119
Affected product: Libtiff
Published: 2025-08-11
Last modified: 2026-06-17

Description

A vulnerability was determined in LibTIFF up to 4.5.1. Affected by this issue is the function readSeparateStripsetoBuffer of the file tools/tiffcrop.c of the component tiffcrop. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The patch is identified as 8a7a48d7a645992ca83062b3a1873c951661e2b3. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2025-8851?: A vulnerability was determined in LibTIFF up to 4.5.1. Affected by this issue is the function readSeparateStripsetoBuffer of the file tools/tiffcrop.c of the component tiffcrop. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The patch is identified as 8a7a48d7a645992ca83062b3a1873c951661e2b3. It is recommended to apply a patch to fix this issue.
How severe is CVE-2025-8851?: CVE-2025-8851 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-8851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8851?: CVE-2025-8851 affects Libtiff. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8851 have an EU (EUVD) identifier?: Yes. CVE-2025-8851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24150.
When was CVE-2025-8851 published?: CVE-2025-8851 was published on 2025-08-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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