CVE-2023-52356: high-severity vulnerability in libtiff
Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 2.5%
A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading to a denial of service.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
libtiffRed Hat · Red Hat AI Inference Server 3.2Red Hat · Red Hat AI Inference Server 3.3Red Hat · Red Hat Discovery 2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportRelated CVEs — libtiff
In the same product, most dangerous first.
CVE-2026-33845HIGHGnutls: gnutls: denial of service via dtls zero-length fragmentEPSS 2.1%CVE-2025-5318MEDIUMLibssh: out-of-bounds read in sftp_handle()EPSS 1.9%CVE-2023-52355HIGHLibtiff: tiffrasterscanlinesize64 produce too-big size and could cause oomEPSS 1.8%CVE-2024-7006HIGHLibtiff: null pointer dereference in tif_dirinfo.cEPSS 1.5%CVE-2023-40745MEDIUMLibtiff: integer overflow in tiffcp.cEPSS 1.4%CVE-2026-42009HIGHGnutls: gnutls: denial of service via dtls packet reordering vulnerabilityEPSS 1.3%
References
https://access.redhat.com/errata/RHSA-2024:5079https://access.redhat.com/errata/RHSA-2025:20801https://access.redhat.com/errata/RHSA-2025:21994https://access.redhat.com/errata/RHSA-2025:23078https://access.redhat.com/errata/RHSA-2025:23079https://access.redhat.com/errata/RHSA-2025:23080https://access.redhat.com/errata/RHSA-2026:16174https://access.redhat.com/errata/RHSA-2026:25096https://access.redhat.com/errata/RHSA-2026:3461https://access.redhat.com/errata/RHSA-2026:3462https://access.redhat.com/errata/RHSA-2026:5958https://access.redhat.com/errata/RHSA-2026:7081