What is the CVSS score of CVE-2021-26953?

CVE-2021-26953 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2021-26953?

Yes, a public proof-of-concept exploit is available for CVE-2021-26953. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2021-26953?

Yes, a patch is available for CVE-2021-26953. Update the affected software to the latest version immediately.

Postscript CVE-2021-26953

HIGH

Use of Uninitialized Resource (CWE-908)

2021-02-09 cve@mitre.org

Information Disclosure Postscript

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Feb 09, 2021 - 23:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in the postscript crate before 0.14.0 for Rust. It might allow attackers to obtain sensitive information from uninitialized memory locations via a user-provided Read implementation.

AnalysisAI

An issue was discovered in the postscript crate before 0.14.0 for Rust. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Uninitialized Resource (CWE-908), which allows attackers to access uninitialized memory causing crashes or information disclosure. An issue was discovered in the postscript crate before 0.14.0 for Rust. It might allow attackers to obtain sensitive information from uninitialized memory locations via a user-provided Read implementation. Affected products include: Postscript Project Postscript. Version information: before 0.14.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Initialize all variables, use compiler warnings for uninitialized access, use memory-safe languages.