CVE-2018-25023 Use of Uninitialized Resource in smallvec

What is CVE-2018-25023?

CVE-2018-25023 is a high-severity memory corruption vulnerability in n/a, published on 26 Dec 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 smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including a reference type.

Weakness: CWE-908

Which versions are affected by CVE-2018-25023?

5 open source packages ship an affected version, including smallvec. It affects 1 product.

Products include Servo Smallvec.

How do I fix CVE-2018-25023?

Upgrade smallvec to 0.6.13 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-25023 being exploited?

There is no known exploitation of CVE-2018-25023 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2021-25900 Buffer overflow in SmallVec::insert_many Critical 9.8
• CVE-2018-20991 Double free in smallvec Critical 9.8
• CVE-2019-15551 Double free in smallvec Critical 9.8
• CVE-2019-15554 Memory corruption in smallvec Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-25023, GHSA-55m5-whcv-c49c, GHSA-66p5-j55p-32r9, RUSTSEC-2018-0018, UBUNTU-CVE-2018-25023.