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CVE-2018-20097

MEDIUM
6.5
CVSS Score
Published: December 12, 2018 at 12:00 AM UTC
Updated: June 17, 2026 at 01:52 AM UTC
6 products affected across 4 vendorsDebian LinuxFedoraEnterprise Linux Server

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

Description

There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (6)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:2101
x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/Exiv2/exiv2/issues/590
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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