CVE-2021-45949

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.5% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-08.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-12-31 23:54Z4 YR AGO

Last updated

2026-10-08 00:11Z21 DAYS AGO

Reserved

2021-12-31

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Low (CVSS 3.9)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

b6878c9333d71dc41a43b50ac358bd7c9413054cd0fa2446d0c4190f6a35a929

• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-803.yamlx_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34675x_refsource_MISC
• git.ghostscript.comhttps://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=2a3129365d3bc0d4a41f107ef175920d1505d1f7x_refsource_MISC
• www.debian.orgDSA-5038https://www.debian.org/security/2022/dsa-5038vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20220114 [SECURITY] [DLA 2879-1] ghostscript security updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00006.htmlmailing-listx_refsource_MLIST