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No exploitation reportedFix available

CVE-2021-26953

No exploitation reported by the sources we read.

  • Published2021-02-09
  • Fixed in0.14.0
  • WeaknessCWE-908

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-02-0923:15CVE publishedNVD

Versions per branch

NVD · OSV
Postscript project postscript
BranchAffectedFixed in
0.14< 0.14.00.14.0
0.x≥ 0.0.0-0, < 0.14.00.14.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Postscript project postscript to 0.14.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-02-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-fhvc-gp6c-h2wx

Frequently asked questions

What is CVE-2021-26953?

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.

Is CVE-2021-26953 actively exploited?

Active exploitation of CVE-2021-26953 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

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

CVE-2021-26953 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Running postscript? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Sources for this record