Public vulnerability disclosure

CVE-2023-6277

Libtiff: out-of-memory in tiffopen via a craft file

publishedCWE-400

An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.

Technical severity6.5 mediumCVSS 3.1 · CNA: redhat
Published2023-11-24Source updated 2026-11-05
Collected2026-11-052 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Red Hat Enterprise Linux 6
Red Hat
libtiff
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unknown
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
compat-libtiff3
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unknown
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
libtiff
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unknown
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
compat-libtiff3
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
libtiff
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
libtiff
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 6.5
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCNA: redhat

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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