# Libtiff: libtiff write-what-where CVE record · `CVE-2025-9900` - **Identifiers:** `CVE-2025-9900` - **State:** Confirmed - **Severity:** CVSS 8.8 High - **Critical:** No - **CNA:** redhat - **Weakness (CWE):** [CWE-123](https://cwe.mitre.org/data/definitions/123.html) - **Tags:** [CWE-123](https://agentprime.io/advisories/tag/cwe-123.md) - **Technologies:** [Red Hat Enterprise Linux 10](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10.md) · [Red Hat Enterprise Linux 7 Extended Lifecycle Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-7-extended-lifecycle-support.md) · [Red Hat Enterprise Linux 8](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8.md) · [Red Hat Enterprise Linux 8.2 Advanced Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-2-advanced-update-support.md) · [Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-extended-update-support-long-life-add-on.md) · [Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.6 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 8.8 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9.md) · [Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-0-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-2-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.4 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-4-extended-update-support.md) · [Red Hat AI Inference Server 3.2](https://agentprime.io/advisories/technology/red-hat-ai-inference-server-3-2.md) · [Red Hat Discovery 2](https://agentprime.io/advisories/technology/red-hat-discovery-2.md) · [Red Hat Hardened Images](https://agentprime.io/advisories/technology/red-hat-hardened-images.md) · [Red Hat Enterprise Linux 6](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-6.md) - **Published:** 23 Sept 2025 - **Updated:** 4 Nov 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: redhat) at 23 Sept 2025, 16:26 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Not given. Product: Not given. - affected: `before 4.7.1` (semver) - Other versions: unaffected - Package name: `libtiff` - Collection: `https://libtiff.gitlab.io/libtiff/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 10. - unaffected: `0:4.6.0-6.el10_0.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 10. - unaffected: `0:4.6.0-6.el10_1.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 7 Extended Lifecycle Support. - unaffected: `0:3.9.4-12.el7_9.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 7 Extended Lifecycle Support. - unaffected: `0:4.0.3-35.el7_9.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `0:3.9.4-14.el8_10 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `0:4.0.9-35.el8_10 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `0:4.0.9-3.el8_10 to before *` (rpm) - Other versions: affected - Package name: `mingw-libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.2 Advanced Update Support. - unaffected: `0:3.9.4-13.el8_2.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.2 Advanced Update Support. - unaffected: `0:4.0.9-17.el8_2.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.2 Advanced Update Support. - unaffected: `0:8.10-3.el8_2.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support. - unaffected: `0:3.9.4-13.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support. - unaffected: `0:4.0.9-18.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support. - unaffected: `0:8.10-3.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. - unaffected: `0:3.9.4-13.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. - unaffected: `0:4.0.9-18.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. - unaffected: `0:8.10-3.el8_4.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support. - unaffected: `0:3.9.4-13.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support. - unaffected: `0:4.0.9-21.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support. - unaffected: `0:8.10-3.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service. - unaffected: `0:3.9.4-13.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service. - unaffected: `0:4.0.9-21.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service. - unaffected: `0:8.10-3.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions. - unaffected: `0:3.9.4-13.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions. - unaffected: `0:4.0.9-21.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions. - unaffected: `0:8.10-3.el8_6.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service. - unaffected: `0:3.9.4-13.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service. - unaffected: `0:4.0.9-29.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service. - unaffected: `0:8.10-3.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions. - unaffected: `0:3.9.4-13.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `compat-libtiff3` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions. - unaffected: `0:4.0.9-29.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions. - unaffected: `0:8.10-3.el8_8.1 to before *` (rpm) - Other versions: affected - Package name: `spice-client-win` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9. - unaffected: `0:4.4.0-13.el9_6.2 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9. - unaffected: `0:4.4.0-15.el9_7.2 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. - unaffected: `0:4.2.0-3.el9_0.2 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. - unaffected: `0:4.4.0-8.el9_2.4 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.4 Extended Update Support. - unaffected: `0:4.4.0-12.el9_4.4 to before *` (rpm) - Other versions: affected - Package name: `libtiff` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `3.2.2-1765379088 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `3.2.2-1765379049 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/vllm-rocm-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` - Vendor: Red Hat. Product: Red Hat AI Inference Server 3.2. - unaffected: `3.2.2-1764871796 to before *` (rpm) - Other versions: affected - Package name: `rhaiis/model-opt-cuda-rhel9` - Collection: `https://catalog.redhat.com/software/containers/` And 5 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 8.8 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`, from CNA (redhat) - **CISA KEV:** Not listed. - **EPSS:** 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline - 23 Sept 2025, 16:26 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2025-9900) - 23 Sept 2025, 17:15 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-9900) ## Sources - [CVE List: CVE-2025-9900](https://www.cve.org/CVERecord?id=CVE-2025-9900) - [NVD: CVE-2025-9900](https://nvd.nist.gov/vuln/detail/CVE-2025-9900) ### References from the CNA - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) And 7 more on the CVE record. Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .