CVE-2020-13113: canonical ubuntu_linux Use of Uninitialized Resource
CVSS: 8.2v3.1HighModified
AliasesALPINE-CVE-2020-13113UBUNTU-CVE-2020-13113DEBIAN-CVE-2020-13113
Published 21-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-13113 is a high (CVSS 8.2) Use of Uninitialized Resource vulnerability in canonical ubuntu_linux. EPSS estimates a 1.93% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (NVD)EPSS score
1.93%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 6Timeline
- 21-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 8.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · DebianEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.93%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
+0.05 pp
From 1.89% on 19-09-2026
19-09-202619-10-2026
EPSS score1.93%
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< 0.6.21-9
- 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
- libexif< 0.6.22
Opensuse1 product
- leapEOL15.1
Ubuntu1 product
- libexif< 0.6.21-1ubuntu1+esm5 | < 0.6.21-2ubuntu0.5 | < 0.6.21-4ubuntu0.5 | < 0.6.21-6ubuntu0.3
6 vendors · 7 products
References
10 links- github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1fX Refsource MISCPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2020/05/msg00025.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory