# Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image

CVE record · `CVE-2026-12912`

- **Identifiers:** `CVE-2026-12912`
- **State:** Confirmed
- **Severity:** CVSS 7.3 High
- **Critical:** No
- **CNA:** redhat
- **Weakness (CWE):** [CWE-122](https://cwe.mitre.org/data/definitions/122.html)
- **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md)
- **Technologies:** [Red Hat Enterprise Linux 10](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10.md) · [Red Hat Enterprise Linux 10.0 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10-0-extended-update-support.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 8.4 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 Extended Update Support Long-Life Add-On](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-extended-update-support-long-life-add-on.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 9.2 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 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-4-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.6 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-6-extended-update-support.md) · [Red Hat Hardened Images](https://agentprime.io/advisories/technology/red-hat-hardened-images.md) · [Red Hat OpenShift AI 3.0](https://agentprime.io/advisories/technology/red-hat-openshift-ai-3-0.md) · [Red Hat OpenShift AI 3.2](https://agentprime.io/advisories/technology/red-hat-openshift-ai-3-2.md) · [Red Hat OpenShift AI 3.4](https://agentprime.io/advisories/technology/red-hat-openshift-ai-3-4.md) · [Red Hat Enterprise Linux 6](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-6.md)
- **Published:** 29 Jun 2026
- **Updated:** 4 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: redhat) at 29 Jun 2026, 16:31 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: Red Hat. Product: Red Hat Enterprise Linux 10.
  - unaffected: `0:4.6.0-8.el10_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 10.0 Extended Update Support.
  - unaffected: `0:4.6.0-6.el10_0.4 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 7 Extended Lifecycle Support.
  - unaffected: `0:3.9.4-12.el7_9.3 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_9.3 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: `0:3.9.4-16.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: `0:4.0.9-38.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 8.4 Advanced Mission Critical Update Support.
  - unaffected: `0:3.9.4-13.el8_4.3 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_4.3 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: `0:3.9.4-13.el8_4.3 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_4.3 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: `0:3.9.4-13.el8_6.3 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_6.3 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 Extended Update Support Long-Life Add-On.
  - unaffected: `0:3.9.4-13.el8_6.3 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 Extended Update Support Long-Life Add-On.
  - unaffected: `0:4.0.9-21.el8_6.3 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: `0:3.9.4-13.el8_8.3 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_8.3 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: `0:3.9.4-13.el8_8.3 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_8.3 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: `0:4.4.0-18.el9_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 9.2 Update Services for SAP Solutions.
  - unaffected: `0:4.4.0-8.el9_2.6 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 Update Services for SAP Solutions.
  - unaffected: `0:4.4.0-12.el9_4.6 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 9.6 Extended Update Support.
  - unaffected: `0:4.4.0-13.el9_6.6 to before *` (rpm)
  - Other versions: affected
  - Package name: `libtiff`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Hardened Images.
  - unaffected: `4.7.1-2.4.hum1 to before *` (rpm)
  - Other versions: affected
  - Package name: `libtiff-main`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.0.
  - unaffected: `1790276886 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-rocm-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.0.
  - unaffected: `1790276884 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-tpu-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.0.
  - unaffected: `1790277045 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-cpu-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.0.
  - unaffected: `1790276889 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-spyre-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.0.
  - unaffected: `1790276974 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-cuda-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703497 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-tpu-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703506 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-rocm-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703590 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-cpu-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703568 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-spyre-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703586 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-cuda-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.2.
  - unaffected: `1790703494 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-rocm-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat OpenShift AI 3.4.
  - unaffected: `1790703542 to before *` (rpm)
  - Other versions: affected
  - Package name: `rhai/base-image-neuron-rhel9`
  - Collection: `https://catalog.redhat.com/software/containers/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 6.
  - No versions given
  - Other versions: unknown
  - Package name: `libtiff`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.
  - No versions given
  - Other versions: affected
  - Package name: `mingw-libtiff`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`
- Vendor: Red Hat. Product: Red Hat Hardened Images.
  - No versions given
  - Other versions: unaffected
  - Package name: `boost`
  - Collection: `https://access.redhat.com/downloads/content/package-browser/`

## 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

- 7.3 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H`, from CNA (redhat) (used for this record)
- 7.3 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H`, from ADP (redhat-SADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0043, the 37th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 29 Jun 2026, 16:31 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-12912)
- 29 Jun 2026, 17:16 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-12912)

## Sources

- [CVE List: CVE-2026-12912](https://www.cve.org/CVERecord?id=CVE-2026-12912)
- [NVD: CVE-2026-12912](https://nvd.nist.gov/vuln/detail/CVE-2026-12912)

### References from the CNA

- <https://access.redhat.com/errata/RHSA-2026:34890> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:41892> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:42668> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:47183> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:47184> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:49671> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:50774> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:54638> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:54640> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:54642> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:58545> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:58553> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:58554> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:58556> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:61657> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:69292> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:73909> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:73959> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:73960> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:73961> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:73962> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74458> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74459> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74460> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74461> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74462> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74463> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:74674> (vendor-advisory, redhat)
- <https://access.redhat.com/errata/RHSA-2026:83550> (vendor-advisory, redhat)
- <https://access.redhat.com/security/cve/CVE-2026-12912> (vdb-entry, redhat)

And 3 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 (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-12912>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-12912/>. Everything for agents: <https://agentprime.io/llms.txt>.