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Fencer Intel
critical 9.1

CVE-2020-13112 json

An issue was discovered in libexif before 0.6.22.

published 6y ago modified 4mo ago also EUVD-2020-5388

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.

Patch / fix

  • libexif_project libexif 0.6.22
  • libexif Debian 14, Debian 13, Debian 12 0.6.21-9

debian advisories DEBIAN-CVE-2020-13112

  • libexif Ubuntu 16.04 LTS 0.6.21-2ubuntu0.5
  • libexif Ubuntu 18.04 LTS 0.6.21-4ubuntu0.5
  • libexif Ubuntu 20.04 LTS 0.6.21-6ubuntu0.3
  • libexif Ubuntu Pro 14.04 LTS 0.6.21-1ubuntu1+esm5

ubuntu advisories UBUNTU-CVE-2020-13112

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

  • libexif RHEL 7 0.6.21-7.el7_8
  • libexif RHEL 8 0.6.21-17.el8_2
  • libexif RHEL 6 0.6.21-6.el6_10
  • libexif RHEL 8.1 EUS 0.6.21-17.el8_1
  • libexif RHEL 8.0 E4S 0.6.21-17.el8_0

red hat advisories RHSA-2020:2672RHSA-2020:2549RHSA-2020:2550RHSA-2020:2516RHSA-2020:2474

  • libexif SLE Module for Package Hub 15 SP2, SLE Module for Package Hub 15 SP1, SLE Module for Desktop Applications 15 SP2 +1 more 0.6.22-5.6.1
  • libexif SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 0.6.22-8.9.1

suse advisories SUSE-SU-2020:1553-2SUSE-SU-2020:1553-1SUSE-SU-2020:1534-1

  • libexif openSUSE Tumbleweed 0.6.23-1.2
  • libexif openSUSE Leap 15.1 0.6.22-lp151.4.6.1

opensuse advisories openSUSE-SU-2024:10939-1openSUSE-SU-2020:0793-1

  • libexif Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 0.6.22-r0

alpine advisories ALPINE-CVE-2020-13112

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libexif Arch Linux 0.6.22-1

arch linux advisories AVG-1166

Is CVE-2020-13112 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2020-13112 updated cvss 9.1

libexif: several buffer over-reads in EXIF MakerNote handling can lead to information disclosure and DoS

  • Red Hat Enterprise Linux 5 libexif
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) libexif-devel 0.6.21-17.el8_2, libexif-debuginfo 0.6.21-17.el8_2, libexif-debugsource 0.6.21-17.el8_2
    fixed: vendor fix RHSA-2020:2550
  • Red Hat CodeReady Linux Builder EUS (v. 8.1) libexif-devel 0.6.21-17.el8_1, libexif-debuginfo 0.6.21-17.el8_1, libexif-debugsource 0.6.21-17.el8_1
    fixed: vendor fix RHSA-2020:2672
  • Red Hat Enterprise Linux AppStream (v. 8) libexif 0.6.21-17.el8_2
    fixed: vendor fix RHSA-2020:2550
  • Red Hat Enterprise Linux AppStream E4S (v. 8.0) libexif 0.6.21-17.el8_0
    fixed: vendor fix RHSA-2020:2474
  • Red Hat Enterprise Linux AppStream EUS (v. 8.1) libexif 0.6.21-17.el8_1
    fixed: vendor fix RHSA-2020:2672
  • Red Hat Enterprise Linux Client (v. 7) libexif 0.6.21-7.el7_8 Red Hat Enterprise Linux Client Optional (v. 7) libexif-doc 0.6.21-7.el7_8, libexif-devel 0.6.21-7.el7_8, libexif-debuginfo 0.6.21-7.el7_8 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libexif 0.6.21-7.el7_8
    fixed: vendor fix RHSA-2020:2549
  • Red Hat Enterprise Linux Desktop (v. 6) libexif 0.6.21-6.el6_10 Red Hat Enterprise Linux Desktop Optional (v. 6) libexif-devel 0.6.21-6.el6_10, libexif-debuginfo 0.6.21-6.el6_10 Red Hat Enterprise Linux HPC Node Optional (v. 6) libexif 0.6.21-6.el6_10 Red Hat Enterprise Linux Server (v. 6) libexif 0.6.21-6.el6_10
    fixed: vendor fix RHSA-2020:2516
show 3 more
  • Red Hat Enterprise Linux Server (v. 7) libexif 0.6.21-7.el7_8 Red Hat Enterprise Linux Server Optional (v. 7) libexif-doc 0.6.21-7.el7_8, libexif-devel 0.6.21-7.el7_8, libexif-debuginfo 0.6.21-7.el7_8
    fixed: vendor fix RHSA-2020:2549
  • Red Hat Enterprise Linux Workstation (v. 6) libexif 0.6.21-6.el6_10
    fixed: vendor fix RHSA-2020:2516
  • Red Hat Enterprise Linux Workstation (v. 7) libexif 0.6.21-7.el7_8 Red Hat Enterprise Linux Workstation Optional (v. 7) libexif-doc 0.6.21-7.el7_8, libexif-devel 0.6.21-7.el7_8, libexif-debuginfo 0.6.21-7.el7_8
    fixed: vendor fix RHSA-2020:2549

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

2.75% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.