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CVE-2020-12767

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

5.5 MediumFix available

CVE-2020-12767 is a medium vulnerability (CVSS 5.5) in Libexif Project Libexif, published May 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. Fixed in libexif 0.6.22-r0.

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.53%Down 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
CVE-2020-12767
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-369
Updated
2026-11-02
CVE List No score

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
CVE-2020-12767
Updated
2026-11-02
EUVDEUVD-2020-5052 No score

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
EUVD-2020-5052
Updated
2026-11-03
GitHub AdvisoriesGHSA-rwjh-wvc7-p2gm 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
GHSA-rwjh-wvc7-p2gm
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
OSVALPINE-CVE-2020-12767 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
ALPINE-CVE-2020-12767
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
CVE-2020-12767
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 10 moreShow less
OSVDEBIAN-CVE-2020-12767 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
DEBIAN-CVE-2020-12767
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2020:4040 8.2

Red Hat Security Advisory: libexif security, bug fix, and enhancement update

Record
RHSA-2020:4040
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
OSVRHSA-2020:4766 8.2

Red Hat Security Advisory: libexif security, bug fix, and enhancement update

Record
RHSA-2020:4766
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-12767 5.5

exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Record
UBUNTU-CVE-2020-12767
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:0793-1 No score

Security update for libexif

This update for libexif to 0.6.22 fixes the following issues:

Security issues fixed:

  • CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).
  • CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).
  • CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).
  • CVE-2019-9278: Fixed an integer overflow (bsc#1160770).
  • CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).
  • CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).
  • CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).
  • CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).
  • CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed:

  • libexif was updated to version 0.6.22:
    • New translations: ms
    • Updated translations for most languages
    • Some useful EXIF 2.3 tag added:
      • EXIF_TAG_GAMMA
      • EXIF_TAG_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE
      • EXIF_TAG_GPS_H_POSITIONING_ERROR
      • EXIF_TAG_CAMERA_OWNER_NAME
      • EXIF_TAG_BODY_SERIAL_NUMBER
      • EXIF_TAG_LENS_SPECIFICATION
      • EXIF_TAG_LENS_MAKE
      • EXIF_TAG_LENS_MODEL
      • EXIF_TAG_LENS_SERIAL_NUMBER

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:0793-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10939-1 No score

libexif-devel-0.6.23-1.2 on GA media

These are all security issues fixed in the libexif-devel-0.6.23-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10939-1
Updated
2026-11-02
OSVSUSE-SU-2020:1534-1 No score

Security update for libexif

This update for libexif fixes the following issues:

Security issues fixed:

  • CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).
  • CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).
  • CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).
  • CVE-2019-9278: Fixed an integer overflow (bsc#1160770).
  • CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).
  • CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).
  • CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).
  • CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).
  • CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed:

  • libexif was updated to version 0.6.22:
    • New translations: ms
    • Updated translations for most languages
    • Some useful EXIF 2.3 tag added:
      • EXIF_TAG_GAMMA
      • EXIF_TAG_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE
      • EXIF_TAG_GPS_H_POSITIONING_ERROR
      • EXIF_TAG_CAMERA_OWNER_NAME
      • EXIF_TAG_BODY_SERIAL_NUMBER
      • EXIF_TAG_LENS_SPECIFICATION
      • EXIF_TAG_LENS_MAKE
      • EXIF_TAG_LENS_MODEL
      • EXIF_TAG_LENS_SERIAL_NUMBER
Record
SUSE-SU-2020:1534-1
Updated
2026-11-02
OSVSUSE-SU-2020:1553-1 No score

Security update for libexif

This update for libexif to 0.6.22 fixes the following issues:

Security issues fixed:

  • CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).
  • CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).
  • CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).
  • CVE-2019-9278: Fixed an integer overflow (bsc#1160770).
  • CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).
  • CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).
  • CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).
  • CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).
  • CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed:

  • libexif was updated to version 0.6.22:
    • New translations: ms
    • Updated translations for most languages
    • Some useful EXIF 2.3 tag added:
      • EXIF_TAG_GAMMA
      • EXIF_TAG_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE
      • EXIF_TAG_GPS_H_POSITIONING_ERROR
      • EXIF_TAG_CAMERA_OWNER_NAME
      • EXIF_TAG_BODY_SERIAL_NUMBER
      • EXIF_TAG_LENS_SPECIFICATION
      • EXIF_TAG_LENS_MAKE
      • EXIF_TAG_LENS_MODEL
      • EXIF_TAG_LENS_SERIAL_NUMBER
Record
SUSE-SU-2020:1553-1
Updated
2026-11-02
OSVSUSE-SU-2020:1553-2 No score

Security update for libexif

This update for libexif to 0.6.22 fixes the following issues:

Security issues fixed:

  • CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).
  • CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).
  • CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).
  • CVE-2019-9278: Fixed an integer overflow (bsc#1160770).
  • CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).
  • CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).
  • CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).
  • CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).
  • CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed:

  • libexif was updated to version 0.6.22:
    • New translations: ms
    • Updated translations for most languages
    • Some useful EXIF 2.3 tag added:
      • EXIF_TAG_GAMMA
      • EXIF_TAG_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE
      • EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE
      • EXIF_TAG_GPS_H_POSITIONING_ERROR
      • EXIF_TAG_CAMERA_OWNER_NAME
      • EXIF_TAG_BODY_SERIAL_NUMBER
      • EXIF_TAG_LENS_SPECIFICATION
      • EXIF_TAG_LENS_MAKE
      • EXIF_TAG_LENS_MODEL
      • EXIF_TAG_LENS_SERIAL_NUMBER
Record
SUSE-SU-2020:1553-2
Updated
2026-11-02
OSVUSN-4358-1 No score

libexif vulnerabilities

It was discovered that libexif incorrectly handled certain tags. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-20030)

It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. (CVE-2020-12767)

Record
USN-4358-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libexif
Alpine:v3.10
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.11
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.12
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.13
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.14
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.15
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.16
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.17
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.18
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.19
 before 0.6.22-r0
0.6.22-r0
Show 62 moreShow less
Affected packages
PackageAffectedFixed
libexif
Alpine:v3.20
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.21
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.22
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.23
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.24
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.8
 before 0.6.22-r0
0.6.22-r0
libexif
Alpine:v3.9
 before 0.6.22-r0
0.6.22-r0
libexif
Debian:12
 before 0.6.21-7
0.6.21-7
libexif
Debian:13
 before 0.6.21-7
0.6.21-7
libexif
Debian:14
 before 0.6.21-7
0.6.21-7
libexif
Debian:8
 before 0.6.21-2+deb8u2, plus listed versions
0.6.21-20.6.21-2+deb8u1
0.6.21-2+deb8u2
libexif
Red Hat:enterprise_linux:7::client
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-devel
Red Hat:enterprise_linux:7::client
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-doc
Red Hat:enterprise_linux:7::client
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif
Red Hat:enterprise_linux:7::computenode
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-devel
Red Hat:enterprise_linux:7::computenode
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-doc
Red Hat:enterprise_linux:7::computenode
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif
Red Hat:enterprise_linux:7::server
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-devel
Red Hat:enterprise_linux:7::server
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-doc
Red Hat:enterprise_linux:7::server
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif
Red Hat:enterprise_linux:7::workstation
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-devel
Red Hat:enterprise_linux:7::workstation
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif-doc
Red Hat:enterprise_linux:7::workstation
 before 0:0.6.22-1.el7
0:0.6.22-1.el7
libexif
Red Hat:enterprise_linux:8::appstream
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif-debuginfo
Red Hat:enterprise_linux:8::crb
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif-debugsource
Red Hat:enterprise_linux:8::crb
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif-devel
Red Hat:enterprise_linux:8::crb
 before 0:0.6.22-4.el8
0:0.6.22-4.el8
libexif
SUSE:HPE Helion OpenStack 8
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:OpenStack Cloud 7
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:OpenStack Cloud 8
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:OpenStack Cloud Crowbar 8
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Software Development Kit 12 SP4
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP1-LTSS
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP2-LTSS
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP3-LTSS
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP3-BCL
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP4
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server 12 SP5
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Enterprise Storage 5
 before 0.6.22-8.9.1
0.6.22-8.9.1
libexif
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
 before 0.6.22-5.6.1
0.6.22-5.6.1
libexif
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
 before 0.6.22-5.6.1
0.6.22-5.6.1
libexif
SUSE:Linux Enterprise Module for Package Hub 15 SP1
 before 0.6.22-5.6.1
0.6.22-5.6.1
libexif
SUSE:Linux Enterprise Module for Package Hub 15 SP2
 before 0.6.22-5.6.1
0.6.22-5.6.1
libexif
Ubuntu:Pro:14.04:LTS
 before 0.6.21-1ubuntu1+esm2, plus listed versions
0.6.21-10.6.21-1ubuntu10.6.21-1ubuntu1+esm1
0.6.21-1ubuntu1+esm2
libexif
Ubuntu:16.04:LTS
 before 0.6.21-2ubuntu0.2, plus listed versions
0.6.21-20.6.21-2ubuntu0.1
0.6.21-2ubuntu0.2
libexif
Ubuntu:18.04:LTS
 before 0.6.21-4ubuntu0.2, plus listed versions
0.6.21-2.10.6.21-40.6.21-4ubuntu0.1
0.6.21-4ubuntu0.2
libexif
Ubuntu:20.04:LTS
 before 0.6.21-6ubuntu0.1, plus listed versions
0.6.21-5.10.6.21-6
0.6.21-6ubuntu0.1
libexif
openSUSE:Leap 15.1
 before 0.6.22-lp151.4.6.1
0.6.22-lp151.4.6.1
libexif
openSUSE:Tumbleweed
 before 0.6.23-1.2
0.6.23-1.2

History

History
WhenChangedSources
2026-11-03affectedOSV
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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