CVE-2021-28030 Use of Uninitialized Resource in truetype
Attackers can read uninitialized memory contents via a crafted Read operation in the truetype crate, potentially exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28030?
CVE-2021-28030 is a high-severity vulnerability in n/a, published on 5 Mar 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 truetype crate before 0.30.1 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation within Tape::take_bytes.
Weakness: CWE-908
Which versions are affected by CVE-2021-28030?
3 open source packages ship an affected version, including truetype. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
truetype crates.io | All versions | 0.30.1 |
truetype crates.io | All versions | 0.30.1 |
truetype crates.io | From 0.0.0-0 | 0.30.1 |
Products include Truetype Project Truetype.
How do I fix CVE-2021-28030?
Upgrade truetype to 0.30.1 or later.
Is CVE-2021-28030 being exploited?
There is no known exploitation of CVE-2021-28030 in the wild and no public exploit code.
Sources
Also known as GHSA-v7q4-97x4-4qw2, RUSTSEC-2021-0029.