CVE-2020-19143
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the ...
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
CVE-2020-19143- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
CVE-2020-19143- Updated
- 2026-11-02
EUVDEUVD-2020-11050 No score
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
EUVD-2020-11050- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qpx8-2vr9-wqjr No score
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the ...
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
GHSA-qpx8-2vr9-wqjr- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
CVE-2020-19143- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-19143
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
DEBIAN-CVE-2020-19143- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVJLSEC-2026-482
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
JLSEC-2026-482- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-19143
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.
- Record
UBUNTU-CVE-2020-19143- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2021-0098 No score
Updated libtiff packages fix security vulnerabilities
The updated libtiff packages fix security vulnerabilities:
- Integer overflow in tif_getimage.c (CVE-2020-35523).
- Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524).
- Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the “TIFFVGetField” funtion in the component ‘libtiff/tif_dir.c’. (CVE-2020-19143)
- Memory allocation failure in tiff2rgba (CVE-2020-35521)
- Memory allocation failure in tiff2rgba (CVE-2020-35522)
- Record
MGASA-2021-0098- Updated
- 2026-11-02
OSVUSN-5084-1 No score
tiff vulnerability
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.
- Record
USN-5084-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tiffDebian:12 |
before 4.1.0+git201212-1 | 4.1.0+git201212-1 |
tiffDebian:13 |
before 4.1.0+git201212-1 | 4.1.0+git201212-1 |
tiffDebian:14 |
before 4.1.0+git201212-1 | 4.1.0+git201212-1 |
tiffDebian:10 |
before 4.1.0+git191117-2~deb10u3, plus listed versions 4.0.10+git190814-14.0.10+git190818-14.0.10+git190903-14.0.10+git191003-14.0.10-4 Show 4 moreShow less4.1.0+git191117-14.1.0+git191117-2~deb10u14.1.0+git191117-2~deb10u24.1.0-1 |
4.1.0+git191117-2~deb10u3 |
Libtiff_jllJulia |
before 4.1.0+0 | 4.1.0+0 |
libtiffMageia:7 From an advisory covering 5 CVEs |
before 4.2.0-1.mga7 | 4.2.0-1.mga7 |
tiffUbuntu:20.04:LTS |
before 4.1.0+git191117-2ubuntu0.20.04.2, plus listed versions 4.0.10+git191003-14.1.0+git191117-14.1.0+git191117-24.1.0+git191117-2build14.1.0+git191117-2ubuntu0.20.04.1 |
4.1.0+git191117-2ubuntu0.20.04.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-19143 is a medium vulnerability (CVSS 6.5) in Simplesystems Libtiff, published March 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in tiff 4.1.0+git201212-1.
References
bugzilla.maptools.org/show_bug.cgi?id=2851
gitlab.com/libtiff/libtiff/-/issues/158
security.netapp.com/advisory/ntap-20211004-0005
debian.org/security/2021/dsa-4997
nvd.nist.gov/vuln/detail/CVE-2020-19143
Show 9 moreShow less
github.com/advisories/GHSA-qpx8-2vr9-wqjr
security-tracker.debian.org/tracker/CVE-2020-19143
advisories.mageia.org/MGASA-2021-0098.html
bugs.mageia.org/show_bug.cgi?id=28455
ubuntu.com/security/notices/USN-4755-1
lists.fedoraproject.org/archives/list/[email protected]/thread/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG
cve.org/CVERecord?id=CVE-2020-19143