p PatchFirst

CVE-2026-18495

CVE-2026-18495 · Libtiff: libtiff: heap-buffer overflow via numeric truncation in the jpeg raw passthrough

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

A flaw was found in libtiff. A heap-buffer overflow vulnerability exists in the `tiff2pdf` utility due to an integer truncation error when processing crafted BigTIFF files. An attacker can provide a specially crafted BigTIFF file, causing a 64-bit `StripByteCounts` value to be truncated to a 32-bit integer. This leads to an undersized memory allocation and a subsequent out-of-bounds memory copy, resulting in a crash and severe memory corruption.

CVSS 6.1 · Medium · EPSS 0.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • red hat hardened images

    Versions
    • ≥ 4.7.2-2.hum1: Not affected (rpm)

    No fix published

  • red hat ceph storage 4

    No fix published

  • red hat ceph storage 6

    No fix published

  • red hat ceph storage 7

    No fix published

  • red hat ceph storage 8

    No fix published

  • red hat ceph storage 9

    No fix published

  • red hat enterprise linux 10

    No fix published

  • red hat enterprise linux 10

    No fix published

  • red hat enterprise linux 6

    No fix published

  • red hat enterprise linux 7

    No fix published

  • red hat enterprise linux 8

    No fix published

  • red hat enterprise linux 9

    No fix published

  • red hat enterprise linux 9

    No fix published

  • red hat hardened images

    No fix published

  • tiff Debian:12

    Versions
    • 4.5.0-6
    • 4.5.0-6+deb12u1
    • 4.5.0-6+deb12u2
    • 4.5.0-6+deb12u3
    • 4.5.0-6+deb12u4
    • 4.5.1+git230720-1
    • 4.5.1+git230720-2
    • 4.5.1+git230720-3
    • 4.5.1+git230720-4
    • 4.5.1+git230720-5
    • 4.5.1-1
    • 4.5.1~rc3-1
    • 4.6.0-1
    • 4.6.0-2
    • 4.7.0-1
    • 4.7.0-2
    • 4.7.0-3
    • 4.7.0-4
    • 4.7.0-5
    • 4.7.1-1
    • 4.7.1-2
    • 4.7.1-3
    • 4.7.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • tiff Debian:13

    Versions
    • 4.7.0-3
    • 4.7.0-3+deb13u1
    • 4.7.0-3+deb13u2
    • 4.7.0-3+deb13u3
    • 4.7.0-4
    • 4.7.0-5
    • 4.7.1-1
    • 4.7.1-2
    • 4.7.1-3
    • 4.7.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • tiff Debian:14

    Versions
    • 4.7.0-3
    • 4.7.0-4
    • 4.7.0-5
    Affected ranges
    • ECOSYSTEM: < 4.7.1-1

    Update to 4.7.1-1

  • gdal Ubuntu:Pro:14.04:LTS

    Versions
    • 1.9.0-3.1ubuntu4
    • 1.9.0-3.1ubuntu6
    • 1.10.1+dfsg-2
    • 1.10.1+dfsg-2build1
    • 1.10.1+dfsg-3
    • 1.10.1+dfsg-3build1
    • 1.10.1+dfsg-3build2
    • 1.10.1+dfsg-3ubuntu1
    • 1.10.1+dfsg-3ubuntu2
    • 1.10.1+dfsg-5ubuntu1
    • 1.10.1+dfsg-5ubuntu1+esm1
    • 1.10.1+dfsg-5ubuntu1+esm2
    • 1.10.1+dfsg-5ubuntu1+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • tiff Ubuntu:Pro:14.04:LTS

    Versions
    • 4.0.2-4ubuntu3
    • 4.0.3-5ubuntu1
    • 4.0.3-6
    • 4.0.3-6ubuntu1
    • 4.0.3-7
    • 4.0.3-7ubuntu0.1
    • 4.0.3-7ubuntu0.2
    • 4.0.3-7ubuntu0.3
    • 4.0.3-7ubuntu0.4
    • 4.0.3-7ubuntu0.6
    • 4.0.3-7ubuntu0.7
    • 4.0.3-7ubuntu0.8
    • 4.0.3-7ubuntu0.9
    • 4.0.3-7ubuntu0.10
    • 4.0.3-7ubuntu0.11
    • 4.0.3-7ubuntu0.11+esm1
    • 4.0.3-7ubuntu0.11+esm2
    • 4.0.3-7ubuntu0.11+esm3
    • 4.0.3-7ubuntu0.11+esm4
    • 4.0.3-7ubuntu0.11+esm5
    • 4.0.3-7ubuntu0.11+esm6
    • 4.0.3-7ubuntu0.11+esm7
    • 4.0.3-7ubuntu0.11+esm8
    • 4.0.3-7ubuntu0.11+esm9
    • 4.0.3-7ubuntu0.11+esm10
    • 4.0.3-7ubuntu0.11+esm11
    • 4.0.3-7ubuntu0.11+esm12
    • 4.0.3-7ubuntu0.11+esm13
    • 4.0.3-7ubuntu0.11+esm14
    • 4.0.3-7ubuntu0.11+esm15
    • 4.0.3-7ubuntu0.11+esm16
    • 4.0.3-7ubuntu0.11+esm17
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • tiff Ubuntu:Pro:16.04:LTS

    Versions
    • 4.0.3-12.3ubuntu2
    • 4.0.5-1
    • 4.0.6-1
    • 4.0.6-1ubuntu0.1
    • 4.0.6-1ubuntu0.2
    • 4.0.6-1ubuntu0.3
    • 4.0.6-1ubuntu0.4
    • 4.0.6-1ubuntu0.5
    • 4.0.6-1ubuntu0.6
    • 4.0.6-1ubuntu0.7
    • 4.0.6-1ubuntu0.8
    • 4.0.6-1ubuntu0.8+esm1
    • 4.0.6-1ubuntu0.8+esm2
    • 4.0.6-1ubuntu0.8+esm3
    • 4.0.6-1ubuntu0.8+esm4
    • 4.0.6-1ubuntu0.8+esm6
    • 4.0.6-1ubuntu0.8+esm7
    • 4.0.6-1ubuntu0.8+esm8
    • 4.0.6-1ubuntu0.8+esm9
    • 4.0.6-1ubuntu0.8+esm10
    • 4.0.6-1ubuntu0.8+esm11
    • 4.0.6-1ubuntu0.8+esm12
    • 4.0.6-1ubuntu0.8+esm13
    • 4.0.6-1ubuntu0.8+esm14
    • 4.0.6-1ubuntu0.8+esm15
    • 4.0.6-1ubuntu0.8+esm16
    • 4.0.6-1ubuntu0.8+esm17
    • 4.0.6-1ubuntu0.8+esm18
    • 4.0.6-1ubuntu0.8+esm19
    • 4.0.6-1ubuntu0.8+esm20
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:16.04:LTS

    Versions
    • 1.11.2+dfsg-3ubuntu3
    • 1.11.2+dfsg-3ubuntu4
    • 1.11.3+dfsg-2build1
    • 1.11.3+dfsg-2build2
    • 1.11.3+dfsg-2build3
    • 1.11.3+dfsg-3
    • 1.11.3+dfsg-3build1
    • 1.11.3+dfsg-3build2
    • 1.11.3+dfsg-3ubuntu0.1~esm1
    • 1.11.3+dfsg-3ubuntu0.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • tiff Ubuntu:Pro:18.04:LTS

    Versions
    • 4.0.8-5
    • 4.0.8-6
    • 4.0.9-1
    • 4.0.9-2
    • 4.0.9-3
    • 4.0.9-4
    • 4.0.9-4ubuntu1
    • 4.0.9-5
    • 4.0.9-5ubuntu0.1
    • 4.0.9-5ubuntu0.2
    • 4.0.9-5ubuntu0.3
    • 4.0.9-5ubuntu0.4
    • 4.0.9-5ubuntu0.5
    • 4.0.9-5ubuntu0.6
    • 4.0.9-5ubuntu0.7
    • 4.0.9-5ubuntu0.8
    • 4.0.9-5ubuntu0.9
    • 4.0.9-5ubuntu0.10
    • 4.0.9-5ubuntu0.10+esm1
    • 4.0.9-5ubuntu0.10+esm2
    • 4.0.9-5ubuntu0.10+esm3
    • 4.0.9-5ubuntu0.10+esm4
    • 4.0.9-5ubuntu0.10+esm5
    • 4.0.9-5ubuntu0.10+esm6
    • 4.0.9-5ubuntu0.10+esm7
    • 4.0.9-5ubuntu0.10+esm8
    • 4.0.9-5ubuntu0.10+esm9
    • 4.0.9-5ubuntu0.10+esm10
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • neuron Ubuntu:18.04:LTS

    Versions
    • 7.5-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtwebengine-opensource-src Ubuntu:Pro:18.04:LTS

    Versions
    • 5.9.1+dfsg-4
    • 5.9.1+dfsg-4ubuntu1
    • 5.9.2+dfsg-2ubuntu1
    • 5.9.3+dfsg-0ubuntu1
    • 5.9.4+dfsg-0ubuntu1
    • 5.9.5+dfsg-0ubuntu2
    • 5.9.5+dfsg-0ubuntu2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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