CVE-2020-26519
MEDIUM
5.5
CVSS Score
Published: October 2, 2020 at 05:34 AM UTC
Updated: June 17, 2026 at 03:08 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraMuPDF
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
Description
Artifex MuPDF before 1.18.0 has a heap based buffer over-write when parsing JBIG2 files allowing attackers to cause a denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.18.0
Affected range stops below 1.18.0, so it looks safe — our inference, not a vendor statement
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOF4PX2A5TGKKPMXINADSOJJ4H5UUMKK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJMBKWVY7ZBIQV3EU5YHEFH5XWV4PABG/
- https://security.gentoo.org/glsa/202105-30
- https://www.debian.org/security/2020/dsa-4794
References (7)
x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://bugs.ghostscript.com/show_bug.cgi?id=702937Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/03/msg00012.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOF4PX2A5TGKKPMXINADSOJJ4H5UUMKK/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJMBKWVY7ZBIQV3EU5YHEFH5XWV4PABG/Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202105-30Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4794CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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