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CVE-2020-19716

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a...

6.5 MediumFix available

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

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

1.14%Up 0.6 points since Jul 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
CVE-2020-19716
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
CVE-2020-19716
Updated
2026-11-02
EUVDEUVD-2021-0079 No score

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
EUVD-2021-0079
Updated
2026-11-03
GitHub AdvisoriesGHSA-hhmh-w64h-2vvx 6.5

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a...

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
GHSA-hhmh-w64h-2vvx
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02
OSV 6.5

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
CVE-2020-19716
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-19716 6.5

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
DEBIAN-CVE-2020-19716
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVPYSEC-2021-886 6.5

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Record
PYSEC-2021-886
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:12381-1 No score

exiv2-0.27.5-3.1 on GA media

These are all security issues fixed in the exiv2-0.27.5-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12381-1
Updated
2026-11-02
OSVSUSE-SU-2022:3889-1 No score

Security update for exiv2

This update for exiv2 fixes the following issues:

Updated to version 0.27.5 (jsc#PED-1393):

  • CVE-2017-1000128: Fixed stack out of bounds read in JPEG2000 parser (bsc#1068871).
  • CVE-2019-13108: Fixed integer overflow PngImage:readMetadata (bsc#1142675).
  • CVE-2020-19716: Fixed buffer overflow vulnerability in the Databuf function in types.cpp (bsc#1188645).
  • CVE-2021-29457: Fixed heap buffer overflow when write metadata into a crafted image file (bsc#1185002).
  • CVE-2021-29470: Fixed out-of-bounds read in Exiv2:Jp2Image:encodeJp2Header (bsc#1185447).
  • CVE-2021-29623: Fixed read of uninitialized memory (bsc#1186053).
  • CVE-2021-31291: Fixed heap-based buffer overflow in jp2image.cpp (bsc#1188733).
  • CVE-2021-32617: Fixed denial of service due to inefficient algorithm (bsc#1186192).
  • CVE-2021-37620: Fixed out-of-bounds read in XmpTextValue:read() (bsc#1189332).
  • CVE-2021-37621: Fixed DoS due to infinite loop in Image:printIFDStructure (bsc#1189333).
  • CVE-2021-37622: Fixed DoS due to infinite loop in JpegBase:printStructure (bsc#1189334)
  • CVE-2021-34334: Fixed DoS due to integer overflow in loop counter(bsc#1189338)
  • CVE-2021-37623: Fixed DoS due to infinite loop in JpegBase:printStructure (bsc#1189335)
  • CVE-2021-29463: Fixed out-of-bounds read in webpimage.cpp (bsc#1185913).
  • CVE-2021-34334: Fixed DoS due to integer overflow in loop counter (bsc#1189338)
  • CVE-2019-13111: Fixed integer overflow in WebPImage:decodeChunks that lead to denial of service (bsc#1142679)
  • CVE-2021-29463: Fixed an out-of-bounds read was found in webpimage.cpp (bsc#1185913)

Bugfixes:

  • Fixed build using GCC 11 (bsc#1185218).

A new libexiv2-2_27 shared library is shipped, the libexiv2-2_26 is provided only for compatibility now.

Please recompile your applications using the exiv2 library.

Record
SUSE-SU-2022:3889-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
exiv2
Debian:12
 before 0.27.2-6
0.27.2-6
exiv2
Debian:13
 before 0.27.2-6
0.27.2-6
exiv2
Debian:14
 before 0.27.2-6
0.27.2-6
exiv2
Debian:10
From an advisory covering 2 CVEs
 before 0.25-4+deb10u3, plus listed versions
0.25-40.25-4+deb10u10.25-4+deb10u2
0.25-4+deb10u3
exiv2
SUSE:Linux Enterprise Module for Desktop Applications 15 SP4
From an advisory covering 15 CVEs
 before 0.27.5-150400.15.4.1
0.27.5-150400.15.4.1
exiv2-0_26
SUSE:Linux Enterprise Module for Desktop Applications 15 SP4
From an advisory covering 15 CVEs
 before 0.26-150400.9.16.1
0.26-150400.9.16.1
exiv2
openSUSE:Leap 15.4
From an advisory covering 15 CVEs
 before 0.27.5-150400.15.4.1
0.27.5-150400.15.4.1
exiv2-0_26
openSUSE:Leap 15.4
From an advisory covering 15 CVEs
 before 0.26-150400.9.16.1
0.26-150400.9.16.1
exiv2
openSUSE:Tumbleweed
From an advisory covering 8 CVEs
 before 0.27.5-3.1
0.27.5-3.1

History

History
RecordedChangedSources
affected, facts
affected
affected, aliases, referencesEUVD
first indexedOSV
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-19716 is a medium vulnerability (CVSS 6.5) in Exiv2, published July 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. Fixed in exiv2 0.27.2-6.

References

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