CVE-2021-45944: Use After Free
First published: Fri Dec 31 2021(Updated: )
Ghostscript GhostPDL 9.50 through 9.53.3 has a use-after-free in sampled_data_sample (called from sampled_data_continue and interp).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/ghostscript | 9.27~dfsg-2+deb10u5 9.27~dfsg-2+deb10u9 9.53.3~dfsg-7+deb11u6 9.53.3~dfsg-7+deb11u5 10.0.0~dfsg-11+deb12u2 10.0.0~dfsg-11+deb12u1 10.02.0~dfsg-2 | |
| Artifex Ghostscript | >=9.50<=9.53.3 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| >=9.50<=9.53.3 | ||
| =9.0 | ||
| =10.0 | ||
| =11.0 |
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Reference Links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-237.yaml
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7861fcad13c497728189feafb41cd57b5b50ea25
- https://security-tracker.debian.org/tracker/CVE-2021-45944
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715
- https://github.com/google/oss-fuzz-vulns/issues/16
- https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html
- https://www.debian.org/security/2022/dsa-5038
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7861fcad13c497728189feafb41cd57b5b50ea25
Frequently Asked Questions
What is CVE-2021-45944?
CVE-2021-45944 is a vulnerability in Ghostscript GhostPDL versions 9.50 through 9.53.3 that allows for a use-after-free in the sampled_data_sample function.
How severe is CVE-2021-45944?
CVE-2021-45944 has a severity rating of medium (5.5).
How can I fix CVE-2021-45944?
To fix CVE-2021-45944, upgrade to a patched version of Ghostscript GhostPDL, such as version 9.53.4 or later.
What is the affected software for CVE-2021-45944?
The affected software for CVE-2021-45944 includes Ghostscript GhostPDL versions 9.50 through 9.53.3.
Where can I find more information about CVE-2021-45944?
You can find more information about CVE-2021-45944 in the references provided: [LINK]
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/weakness
- agent/first-publish-date
- agent/description
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/event
- package-manager/debian
- vendor/artifex
- canonical/artifex ghostscript
- version/artifex ghostscript/9.50
- version/artifex ghostscript/9.53.3
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- version/debian debian linux/11.0