CVE-2020-15306: canonical ubuntu_linux Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-15306DEBIAN-CVE-2020-15306
Published 26-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-15306 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.46%
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 8 · Related 5Timeline
- 26-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.
CVSS metrics
4 scores · 3 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 3 agree
- 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
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 21-09-2026
21-09-202621-10-2026
EPSS score0.46%
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
- openexr< 2.5.3-2
- debian_linuxEOL9.0 | 10.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.10 | 20.04
Fedoraproject1 product
- fedoraEOL31 | 32
Openexr1 product
- openexr< 2.5.2
Opensuse1 product
- leapEOL15.1 | 15.2
Ubuntu1 product
- openexr< 2.2.0-10ubuntu2.3 | < 2.2.0-11.1ubuntu1.3 | < 2.3.0-6ubuntu0.2
6 vendors · 7 products
References
16 links- github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2X Refsource MISCREPORTRelease NotesThird Party Advisory
- github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.mdX Refsource MISCREPORTRelease NotesThird Party Advisory
- github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.mdX Refsource MISCREPORTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00025.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00048.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
Show all 16 references
- lists.debian.org/debian-lts-announce/2020/08/msg00056.htmlMailing ListX Refsource MLISTThird Party Advisory