Use-after-free in Ghostscript GhostPDL Affecting Multiple Versions
CVE-2021-45944

5.5MEDIUM

Key Information:

Vendor
Artifex
Status
Ghostscript
Vendor
CVE Published:
1 January 2022

Summary

A use-after-free vulnerability exists in Ghostscript GhostPDL versions 9.50 through 9.53.3. This issue is triggered in the function sampled_data_sample, which is called from both sampled_data_continue and interp. An attacker could exploit this flaw to execute arbitrary code or potentially cause a denial of service by manipulating the input data processed by the application. It's essential for users and administrators to apply the necessary updates and patches to mitigate the risks associated with this vulnerability.

References

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/...
x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903
x_refsource_MISC
https://www.debian.org/security/2022/dsa-5038
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.