CVE-2021-26953 Read on uninitialized buffer in postscript
Attackers can read sensitive data from uninitialized memory in the postscript crate via a malicious Read implementation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-26953?
CVE-2021-26953 is a high-severity vulnerability in n/a, published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-908
Which versions are affected by CVE-2021-26953?
3 open source packages ship an affected version, including postscript. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
postscript crates.io | All versions | 0.14.0 |
postscript crates.io | All versions | 0.14.0 |
postscript crates.io | From 0.0.0-0 | 0.14.0 |
Products include Postscript Project Postscript.
How do I fix CVE-2021-26953?
Upgrade postscript to 0.14.0 or later.
Is CVE-2021-26953 being exploited?
There is no known exploitation of CVE-2021-26953 in the wild and no public exploit code.
Sources
Also known as GHSA-fhvc-gp6c-h2wx, RUSTSEC-2021-0017.