CVE-2020-18774
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows...
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
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
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
CVE-2020-18774- 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-369
- Updated
- 2026-11-02
CVE List No score
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
CVE-2020-18774- Updated
- 2026-11-02
EUVDEUVD-2021-0077 No score
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
EUVD-2021-0077- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqqc-qm65-p7r6
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows...
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
GHSA-wqqc-qm65-p7r6- 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 - Weakness
- CWE-369
- Updated
- 2026-11-02
OSV
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
CVE-2020-18774- 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-2020-18774
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
DEBIAN-CVE-2020-18774- 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
OSVPYSEC-2021-884
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
PYSEC-2021-884- 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
OSVUBUNTU-CVE-2020-18774
A float point exception in the printLong function in tags_int.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Record
UBUNTU-CVE-2020-18774- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
exiv2Debian:12 |
All versions, plus listed versions 0.27.6-10.28.0+dfsg-10.28.0+dfsg-20.28.0+dfsg-30.28.0+dfsg-4 Show 13 moreShow less0.28.1+dfsg-10.28.1+dfsg-20.28.1+dfsg-30.28.2+dfsg-10.28.3+dfsg-10.28.3+dfsg-20.28.4+dfsg-10.28.4+dfsg-20.28.5+dfsg-10.28.7+dfsg-10.28.7+dfsg-20.28.8+dfsg-10.28.9+dfsg-1 |
None known |
exiv2Debian:13 |
All versions, plus listed versions 0.28.5+dfsg-10.28.7+dfsg-10.28.7+dfsg-20.28.8+dfsg-10.28.9+dfsg-1 |
None known |
exiv2Debian:14 |
All versions, plus listed versions 0.28.5+dfsg-10.28.7+dfsg-10.28.7+dfsg-20.28.8+dfsg-10.28.9+dfsg-1 |
None known |
exiv2Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.25-1ubuntu10.25-2.10.25-2.1ubuntu16.04.10.25-2.1ubuntu16.04.20.25-2.1ubuntu16.04.3 Show 8 moreShow less0.25-2.1ubuntu16.04.40.25-2.1ubuntu16.04.50.25-2.1ubuntu16.04.60.25-2.1ubuntu16.04.7+esm10.25-2.1ubuntu16.04.7+esm20.25-2.1ubuntu16.04.7+esm30.25-2.1ubuntu16.04.7+esm40.25-2.1ubuntu16.04.7+esm5 |
None known |
exiv2Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 0.25-3.10.25-3.1ubuntu0.18.04.10.25-3.1ubuntu0.18.04.20.25-3.1ubuntu0.18.04.30.25-3.1ubuntu0.18.04.4 Show 6 moreShow less0.25-3.1ubuntu0.18.04.50.25-3.1ubuntu0.18.04.70.25-3.1ubuntu0.18.04.90.25-3.1ubuntu0.18.04.100.25-3.1ubuntu0.18.04.110.25-3.1ubuntu0.18.04.11+esm1 |
None known |
exiv2Ubuntu:Pro:20.04:LTS |
All versions, plus listed versions 0.25-4ubuntu20.25-4ubuntu30.27.2-8ubuntu20.27.2-8ubuntu2.20.27.2-8ubuntu2.4 Show 5 moreShow less0.27.2-8ubuntu2.50.27.2-8ubuntu2.60.27.2-8ubuntu2.70.27.2-8ubuntu2.7+esm10.27.2-8ubuntu2.7+esm3 |
None known |
exiv2Ubuntu:22.04:LTS |
All versions, plus listed versions 0.27.3-3ubuntu40.27.3-3.1ubuntu10.27.5-1ubuntu10.27.5-3ubuntu10.27.5-3ubuntu1.10.27.5-3ubuntu1.3 |
None known |
exiv2Ubuntu:24.04:LTS |
All versions, plus listed versions 0.27.6-10.27.6-1build10.27.6-1ubuntu0.10.27.6-1ubuntu0.3 |
None known |
exiv2Ubuntu:25.10 |
All versions, plus listed versions 0.28.5+dfsg-10.28.5+dfsg-1ubuntu0.10.28.5+dfsg-1ubuntu0.3 |
None known |
exiv2Ubuntu:26.10 |
All versions, plus listed versions 0.28.8+dfsg-1 |
None known |
exiv2Ubuntu:26.04:LTS |
All versions, plus listed versions 0.28.5+dfsg-10.28.7+dfsg-20.28.8+dfsg-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| affected, aliases, references | EUVD | |
| first indexed | OSV | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-18774 is a medium vulnerability (CVSS 6.5) in Exiv2, published August 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.