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libtiff: libtiff: Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing

🗓️ 20 May 2026 13:29:35Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 15 Views

Signed overflow in libtiff leads to out-of-bounds heap write from a crafted TIFF, risking crash or code execution.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System 1.0 is affected by multiple vulnerabilities
10 Jun 202607:46
–ibm
FreeBSD		(lib)tiff -- Integer Overflow or Wraparound
24 Mar 202600:00
–freebsd
ATTACKERKB		CVE-2026-4775
24 Mar 202614:42
–attackerkb
Tenable Nessus		Amazon Linux 2023 : libtiff, libtiff-devel, libtiff-static (ALAS2023-2026-1547)
13 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : compat-libtiff3, --advisory ALAS2-2026-3234 (ALAS-2026-3234)
14 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : libtiff, --advisory ALAS2-2026-3235 (ALAS-2026-3235)
14 Apr 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0106: libtiff (ALINUX3-SA-2026:0106)
18 May 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0120: mingw-libtiff (ALINUX3-SA-2026:0120)
25 May 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0129: libtiff (ALINUX3-SA-2026:0129)
25 May 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : libtiff (ALSA-2026:12265)
2 May 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6aarch64libtiff0:4.0.9-21.el8_6.2libtiff-0:4.0.9-21.el8_6.2.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lelibtiff0:4.0.9-21.el8_6.2libtiff-0:4.0.9-21.el8_6.2.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xlibtiff0:4.0.9-21.el8_6.2libtiff-0:4.0.9-21.el8_6.2.s390x.rpm
Red Hat Enterprise Linux8.6x86_64libtiff0:4.0.9-21.el8_6.2libtiff-0:4.0.9-21.el8_6.2.x86_64.rpm
Red Hat Enterprise Linux8.6anylibtiff0:4.0.9-21.el8_6.2.i686libtiff-0:4.0.9-21.el8_6.2.i686.noarch.rpm
Red Hat Enterprise Linux8.6aarch64libtiff-debuginfo0:4.0.9-21.el8_6.2libtiff-debuginfo-0:4.0.9-21.el8_6.2.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lelibtiff-debuginfo0:4.0.9-21.el8_6.2libtiff-debuginfo-0:4.0.9-21.el8_6.2.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xlibtiff-debuginfo0:4.0.9-21.el8_6.2libtiff-debuginfo-0:4.0.9-21.el8_6.2.s390x.rpm
Red Hat Enterprise Linux8.6x86_64libtiff-debuginfo0:4.0.9-21.el8_6.2libtiff-debuginfo-0:4.0.9-21.el8_6.2.x86_64.rpm
Red Hat Enterprise Linux8.6anylibtiff-debuginfo0:4.0.9-21.el8_6.2.i686libtiff-debuginfo-0:4.0.9-21.el8_6.2.i686.noarch.rpm
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30 Jun 2026 04:21Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.8
EPSS0.00553
SSVC
CWE-190
libtiffsigned overflowout of boundsheap writecrafted TIFF filecrashcode execution
15