CVE-2016-8674
What it is
The pdf_to_num function in pdf-object.c in MuPDF before 1.10 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted file.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of service disruption.
- Exploit odds
- 1.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.4% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.4% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Artifex Mupdf ≤ 1.9a
Attack profile CVSS 3.0 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-8674.md and follow it. Check whether this project is affected by CVE-2016-8674. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2016/10/16/8
- https://blogs.gentoo.org/ago/2016/09/22/mupdf-use-after-free-in-pdf_to_num-pdf-object-c/
- https://bugs.ghostscript.com/show_bug.cgi?id=697015
- https://bugs.ghostscript.com/show_bug.cgi?id=697019
- https://bugzilla.redhat.com/show_bug.cgi?id=1385685
- http://www.openwall.com/lists/oss-security/2016/10/16/8
- https://blogs.gentoo.org/ago/2016/09/22/mupdf-use-after-free-in-pdf_to_num-pdf-object-c/
- https://bugs.ghostscript.com/show_bug.cgi?id=697015
- https://bugs.ghostscript.com/show_bug.cgi?id=697019
- https://bugzilla.redhat.com/show_bug.cgi?id=1385685
References
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=1e03c06456d997435019fb3526fa2d4be7dbc6ec
- http://www.debian.org/security/2017/dsa-3797
- http://www.openwall.com/lists/oss-security/2016/10/16/8
- http://www.securityfocus.com/bid/93127
- https://blogs.gentoo.org/ago/2016/09/22/mupdf-use-after-free-in-pdf_to_num-pdf-object-c/
- https://bugs.ghostscript.com/show_bug.cgi?id=697015
- https://bugs.ghostscript.com/show_bug.cgi?id=697019
- https://bugzilla.redhat.com/show_bug.cgi?id=1385685
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=1e03c06456d997435019fb3526fa2d4be7dbc6ec
- http://www.debian.org/security/2017/dsa-3797
- http://www.openwall.com/lists/oss-security/2016/10/16/8
- http://www.securityfocus.com/bid/93127
- https://blogs.gentoo.org/ago/2016/09/22/mupdf-use-after-free-in-pdf_to_num-pdf-object-c/
- https://bugs.ghostscript.com/show_bug.cgi?id=697015
- https://bugs.ghostscript.com/show_bug.cgi?id=697019
- https://bugzilla.redhat.com/show_bug.cgi?id=1385685