Vulnerability · Published Feb 23, 2021 · Assigned by redhat
CVE-2021-3407
High 7.8
In plain English
A high-severity double free in mupdf. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 50.2% (higher than 99% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)50.2%top 1.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw was found in mupdf 1.18.0. Double free of object during linearization may lead to memory corruption and other potential consequences.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | mupdf | 1.18.0-r1 | ALPINE-CVE-2021-3407 |
| Alpine:v3.21 | mupdf | 1.18.0-r1 | ALPINE-CVE-2021-3407 |
| Alpine:v3.22 | mupdf | 1.18.0-r1 | ALPINE-CVE-2021-3407 |
| Alpine:v3.23 | mupdf | 1.18.0-r1 | ALPINE-CVE-2021-3407 |
| Alpine:v3.24 | mupdf | 1.18.0-r1 | ALPINE-CVE-2021-3407 |
| Debian:12 | mupdf | 1.17.0+ds1-1.3 | DEBIAN-CVE-2021-3407 |
| Debian:13 | mupdf | 1.17.0+ds1-1.3 | DEBIAN-CVE-2021-3407 |
| Debian:14 | mupdf | 1.17.0+ds1-1.3 | DEBIAN-CVE-2021-3407 |
Affected products (as reported)
Weakness: CWE-415 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- http://git.ghostscript.com/?p=mupdf.git%3Bh=cee7cefc610d42fd383b3c80c12cbc675443176a x_refsource_MISC
- FEDORA-2021-d8e6f014e5 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-572bb0f886 vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20210311 [SECURITY] [DLA 2589-1] mupdf security update mailing-list, x_refsource_MLIST
- FEDORA-2021-baeaa7bccb vendor-advisory, x_refsource_FEDORA
- GLSA-202105-30 vendor-advisory, x_refsource_GENTOO
- https://bugs.ghostscript.com/show_bug.cgi?id=703366