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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | mupdf | mupdf 1.18.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mupdf | 1.17.0+ds1-1.3 | — |
| Debian 13 | mupdf | 1.17.0+ds1-1.3 | — |
| Debian 12 | mupdf | 1.17.0+ds1-1.3 | — |
| Debian 9 | mupdf | 1.9a+ds1-4+deb9u6 | DLA-2589-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | mupdf | 1.16.1+ds1-1ubuntu1+esm1 | USN-7825-1 |
| Ubuntu Pro 18.04 LTS | mupdf | 1.12.0+ds1-1ubuntu0.1~esm1 | USN-7825-1 |
| Ubuntu Pro 16.04 LTS | mupdf | 1.7a-1ubuntu0.1~esm1 | USN-7825-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | mupdf | 1.18.0-r1 | — |
| Alpine v3.23 | mupdf | 1.18.0-r1 | — |
| Alpine v3.22 | mupdf | 1.18.0-r1 | — |
| Alpine v3.21 | mupdf | 1.18.0-r1 | — |
| Alpine v3.20 | mupdf | 1.18.0-r1 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | mupdf | 1.18.0-r1 | — |
| Alpine v3.18 | mupdf | 1.18.0-r1 | — |
| Alpine v3.17 | mupdf | 1.18.0-r1 | — |
| Alpine v3.16 | mupdf | 1.18.0-r1 | — |
| Alpine v3.15 | mupdf | 1.18.0-r1 | — |
| Alpine v3.14 | mupdf | 1.18.0-r1 | — |
| Alpine v3.13 | mupdf | 1.18.0-r1 | — |
Advisories 2
- USN-7825-1 mupdf vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-2589-1 mupdf - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://git.ghostscript.com/?p=mupdf.git%3Bh=cee7cefc610d42fd383b3c80c12cbc675443176a
- FEDORA-2021-d8e6f014e5 vendor-advisory
- FEDORA-2021-572bb0f886 vendor-advisory
- [debian-lts-announce] 20210311 [SECURITY] [DLA 2589-1] mupdf security update mailing-list
- FEDORA-2021-baeaa7bccb vendor-advisory
- GLSA-202105-30 vendor-advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=703366