How severe is CVE-2025-8177?

CVE-2025-8177 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-2025-8177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8177?

CVE-2025-8177 affects Libtiff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8177?

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

Does CVE-2025-8177 have an EU (EUVD) identifier?

Yes. CVE-2025-8177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22770.

When was CVE-2025-8177 published?

CVE-2025-8177 was published on 2025-07-26 and last updated on 2026-06-17.

CVE-2025-8177

CVE-2025-8177 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% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22770
Weakness: CWE-119
Affected product: Libtiff
Published: 2025-07-26
Last modified: 2026-06-17

Description

A vulnerability was found in LibTIFF up to 4.7.0. It has been rated as critical. This issue affects the function setrow of the file tools/thumbnail.c. The manipulation leads to buffer overflow. An attack has to be approached locally. The patch is named e8c9d6c616b19438695fd829e58ae4fde5bfbc22. It is recommended to apply a patch to fix this issue. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2025-8177?: A vulnerability was found in LibTIFF up to 4.7.0. It has been rated as critical. This issue affects the function setrow of the file tools/thumbnail.c. The manipulation leads to buffer overflow. An attack has to be approached locally. The patch is named e8c9d6c616b19438695fd829e58ae4fde5bfbc22. It is recommended to apply a patch to fix this issue. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2025-8177?: CVE-2025-8177 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-2025-8177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8177?: CVE-2025-8177 affects Libtiff. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8177 have an EU (EUVD) identifier?: Yes. CVE-2025-8177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22770.
When was CVE-2025-8177 published?: CVE-2025-8177 was published on 2025-07-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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