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Public proof of conceptFix available

CVE-2022-0891

A public proof of concept exists; no exploitation attested.

  • Published2022-03-10
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could result into application crash, potential information disclosure or any other context-dependent impact

Timeline

dates in UTC
  1. 2022-03-1017:44CVE publishedNVD

Versions per branch

NVD
Libtiff
BranchAffectedFixed in
4.3≥ 3.9.0, ≤ 4.3.0no fix published
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
11.0= 11.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
35.x= 35no fix published
36.x= 36no fix published

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

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

  • libtiffTuxCare:OracleLinux:7all versions · fixed in 4.0.3-35.el7.tuxcare.els8and 3 other packages
  • libtiffTuxCare:CentOS:7all versions · fixed in 4.0.3-35.el7.tuxcare.els8and 3 other packages
  • libtiffRocky Linux:8all versions · fixed in 0:4.0.9-23.el8
  • libtiffRed Hat:enterprise_linux:9::appstreamall versions · fixed in 0:4.4.0-2.el9and 4 other packages
  • libtiffRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:4.0.9-23.el8and 4 other packages
  • libtiffopenEuler:22.03-LTSall versions · fixed in 4.3.0-20.oe2203
  • libtiffopenEuler:20.03-LTS-SP3all versions · fixed in 4.1.0-7.oe1
  • libtiffopenEuler:20.03-LTS-SP2all versions · fixed in 4.1.0-7.oe1

60 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-0891 Red Hat Product Security120 products fixed · 18 known affected

    libtiff: heap buffer overflow in extractImageSection

    libtiff as a component of Red Hat Enterprise Linux 6 · libtiff-devel as a component of Red Hat Enterprise Linux 6 · libtiff-static as a component of Red Hat Enterprise Linux 6 · +15 more

  • 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

Fix

  1. Vendor fix Red Hat Product Security RHSA-2022:8194 · 42 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running applications linked against libtiff must be restarted for this update to take effect.
  2. No fix available, says the vendor Red Hat Product Security CVE-2022-0891 · 7 productsFix deferred
  3. No fix planned, says the vendor Red Hat Product Security CVE-2022-0891 · 11 productsOut of support scope

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Published
2022-03-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-ppwc-w499-gfmh

Frequently asked questions

What is CVE-2022-0891?

A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could result into application crash, potential information disclosure or any other context-dependent impact

Is CVE-2022-0891 actively exploited?

Active exploitation of CVE-2022-0891 has not been confirmed. Its EPSS score was 1.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-0891?

CVE-2022-0891 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

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Sources for this record