SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5991

An issue was discovered in Artifex MuPDF before 1912de5f08e90af1d9d0a9791f58ba3afdb9d465.

EXPLOIT ✓HIGH 7.5EPSS 15.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 15.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

An issue was discovered in Artifex MuPDF before 1912de5f08e90af1d9d0a9791f58ba3afdb9d465. The pdf_run_xobject function in pdf-op-run.c encounters a NULL pointer dereference during a Fitz fz_paint_pixmap_with_mask painting operation. Versions 1.11 and later are unaffected.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
15.18% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 7 June 2017
CISA KEV
Not listed
Weakness
CWE-476
Affected
artifex/mupdf · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%10%20%27 October 2026: 15.18%27 October 202627 October 2026

EPSS 15.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42138source ↗Artifex MuPDF - Null Pointer Dereferencelinux · Kamil Frankowiczdos7 June 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.