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Fencer Vulns
high 7.5

CVE-2020-19131 json

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcro…

published 2021-09-07 5 y ago modified 2026-07-18 3 mo ago also EUVD-2020-11038 , JLSEC-2026-481

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcrop".

Patch / fix

  • julia Libtiff_jll 4.1.0+0
  • tiff Debian 14, Debian 13, Debian 12 4.0.10+git190814-1

debian advisories DEBIAN-CVE-2020-19131

  • tiff Ubuntu 18.04 LTS 4.0.9-5ubuntu0.7
  • tiff Ubuntu Pro 14.04 LTS 4.0.3-7ubuntu0.11+esm2
  • tiff Ubuntu Pro 16.04 LTS 4.0.6-1ubuntu0.8+esm2

ubuntu advisories UBUNTU-CVE-2020-19131

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libtiff RHEL 8 4.0.9-21.el8
  • libtiff-tools RHEL 8 4.0.9-21.el8

red hat advisories RHSA-2022:1810

  • tiff SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 4.0.9-44.45.1
  • tiff SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +21 more 4.0.9-45.5.1

suse advisories SUSE-SU-2022:0496-1SUSE-SU-2022:0480-1

  • tiff openSUSE Tumbleweed 4.6.0-2.1
  • tiff openSUSE Leap 15.3 4.0.9-45.5.1

opensuse advisories openSUSE-SU-2024:13381-1openSUSE-SU-2022:0480-1

  • libtiff AlmaLinux 8 4.0.9-21.el8
  • libtiff-tools AlmaLinux 8 4.0.9-21.el8

almalinux advisories ALSA-2022:1810

  • libtiff Rocky Linux 8 4.0.9-21.el8

rocky linux advisories RLSA-2022:1810

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-19131 updated cvss 7.5

libtiff: a buffer overflow via the "invertImage()" may lead to DoS

  • Red Hat Enterprise Linux 6 libtiff
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 libtiff, libtiff-tools Red Hat Enterprise Linux 8 mingw-libtiff, mingw32-libtiff, mingw64-libtiff
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) libtiff 4.0.9-21.el8 Red Hat Enterprise Linux CRB (v. 8) libtiff-tools 4.0.9-21.el8
    fixed: vendor fix RHSA-2022:1810
  • Red Hat Enterprise Linux 7 compat-libtiff3 Red Hat Enterprise Linux 8 compat-libtiff3 Red Hat Enterprise Linux 9 libtiff, libtiff-tools
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.maptools.org http://bugzilla.maptools.org/show_bug.cgi?id=2831 referenced PoC, tagged "exploit" by a source, unverified
  • blog.topsec.com.cn http://blog.topsec.com.cn/%E5%A4%A9%E8%9E%8D%E4%BF%A1%E5%85%B3%E4%BA%8Elibtiff%E4%B8%ADinvertimage%E5%87%BD%E6%95%B0%E5%A0%86%E6%BA%A2%E5%87%BA%E6%BC%8F%E6%B4%9E%E7%9A%84%E5%88%86%E6%9E%90/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia Libtiff_jll
<4.1.0+0
4.1.0+0

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.