RHSA-2026:49671: Important: libtiff security, bug fix, and enhancement update

Published Aug 3, 2026
·
Updated

Important: libtiff security, bug fix, and enhancement update

Other sources

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.Security Fix(es): libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355) libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912) Bug Fix(es) and Enhancement(s): Reintroduce the tiffcp -i option [rhel-10.0.z] (JIRA:RHEL-185417) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

— Red Hat

Affected Software

36 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
redhat/libtiff<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debugsource<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-devel<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debugsource<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-devel<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-debugsource<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-devel<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools-debuginfo<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa
redhat/libtiff-debuginfo<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa
redhat/libtiff-debugsource<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa
redhat/libtiff-devel<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa
redhat/libtiff-tools-debuginfo<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa
redhat/libtiff-tools<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools<4.6.0-6.el10_0.4
4.6.0-6.el10_0.4
redhat/libtiff-tools<4.6.0-6.el10_0.4.aa
4.6.0-6.el10_0.4.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libtiff to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  2. Upgrade

    Upgrade redhat/libtiff-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  3. Upgrade

    Upgrade redhat/libtiff-debugsource to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  4. Upgrade

    Upgrade redhat/libtiff-devel to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  5. Upgrade

    Upgrade redhat/libtiff-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  6. Upgrade

    Upgrade redhat/libtiff to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  7. Upgrade

    Upgrade redhat/libtiff-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  8. Upgrade

    Upgrade redhat/libtiff-debugsource to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  9. Upgrade

    Upgrade redhat/libtiff-devel to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  10. Upgrade

    Upgrade redhat/libtiff-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  11. Upgrade

    Upgrade redhat/libtiff-tools to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4
  12. Upgrade

    Upgrade redhat/libtiff-tools to a version that resolves this vulnerability.

    Fixed in 4.6.0-6.el10_0.4.aa
  13. Upgrade

    Upgrade libtiff to a version that resolves this vulnerability.

    Patch CVE-2026-12912
  14. Upgrade

    Upgrade libtiff to a version that resolves this vulnerability.

    Patch CVE-2023-52355
  15. Configuration

    Reintroduce the `tiffcp -i` option as specified for [rhel-10.0.z] (JIRA:RHEL-185417).

    tiffcp -i option = reintroduce

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:02 PM
Data Sourced
via Red Hat·12:02 PM
Severity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2026:49671?

The severity of RHSA-2026:49671 is classified as high with a score of 7.

2

How do I fix RHSA-2026:49671?

To fix RHSA-2026:49671, ensure that you update the libtiff packages to the latest version provided by Red Hat.

3

What security issues are addressed in RHSA-2026:49671?

RHSA-2026:49671 addresses security issues related to buffer overflow and potential out-of-memory conditions in libtiff.

4

What software is affected by RHSA-2026:49671?

The affected software includes various libtiff packages such as redhat/libtiff, redhat/libtiff-debuginfo, and others.

5

What does RHSA-2026:49671 include besides security fixes?

Besides security fixes, RHSA-2026:49671 includes bug fixes and enhancements for the libtiff packages.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203