MEDIUM

CVE-2022-22844

CVSS v3

5.5

MEDIUM

EPSS Score

1.3 %

exploit probability, as of 2026-10-15

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

libtiffAlmaLinux:9all versions · fixed in 4.4.0-2.el9and 2 other packages
libtiffAlmaLinux:8all versions · fixed in 4.0.9-23.el8and 2 other packages

Vendor advisories

CVE-2022-22844 Red Hat Product Security120 products fixed · 10 known affected
libtiff: out-of-bounds read in _TIFFmemcpy() in tif_unix.c
libtiff as a component of Red Hat Enterprise Linux 7 · libtiff-devel as a component of Red Hat Enterprise Linux 7 · libtiff-static as a component of Red Hat Enterprise Linux 7
RHSA-2022:8194 Red Hat Product Security42 products fixed
Red Hat Security Advisory: libtiff security update
RHSA-2022:7585 Red Hat Product Security42 products fixed
Red Hat Security Advisory: libtiff security update

Full record on NVD

Description

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

Technical details

Published: 2022-01-10

Frequently asked questions

What is CVE-2022-22844?

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

Is CVE-2022-22844 actively exploited?

Active exploitation of CVE-2022-22844 has not been confirmed. Its EPSS score was 1.3% on 2026-10-15, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22844?

CVE-2022-22844 has a CVSS v3 base score of 5.5 (MEDIUM severity).

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