CVE-2020-12767: canonical ubuntu_linux Divide By Zero
CVSS: 5.5v3.1MediumModified
AliasesALPINE-CVE-2020-12767UBUNTU-CVE-2020-12767DEBIAN-CVE-2020-12767
Published 09-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12767 is a medium (CVSS 5.5) Divide By Zero vulnerability in canonical ubuntu_linux. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.6% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 09-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
0.00 pp
From 0.53% on 19-09-2026
19-09-202619-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- libexif< 0.6.21-7
- debian_linuxEOL8.0
Alpine1 product
- libexif< 0.6.22-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.10 | 20.04
Libexif_project1 product
- libexif0.6.21
Opensuse1 product
- leapEOL15.1
Ubuntu1 product
- libexif< 0.6.21-1ubuntu1+esm2 | < 0.6.21-2ubuntu0.2 | < 0.6.21-4ubuntu0.2 | < 0.6.21-6ubuntu0.1
6 vendors · 7 products
References
11 links
lists.debian.org/debian-lts-announce/2020/05/msg00016.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory