CVE-2021-25255 Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.
Remote attackers can cause a denial of service in Yandex Browser Lite for Android, requiring users to upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25255?
CVE-2021-25255 is a high-severity denial of service vulnerability in Yandex Browser Lite, published on 21 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.
Weakness: CWE-20
Which versions are affected by CVE-2021-25255?
It affects 1 product.
Products include Yandex Yandex Browser.
How do I fix CVE-2021-25255?
No fix has been published for CVE-2021-25255 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-25255 being exploited?
There is no known exploitation of CVE-2021-25255 in the wild and no public exploit code.
Other vulnerabilities in Yandex Browser Lite
- CVE-2024-6473 DLL Hijacking in Yandex Browser
- CVE-2021-25254 Yandex Browser Lite for Android before 21.1.0 allows remote attackers to spoof the address bar.
- CVE-2021-25261 Privilege escalation in Yandex Browser (Desktop)
- CVE-2022-28225 Privilege escalation in Yandex Browser (Desktop)
- CVE-2022-28226 Privilege escalation in Yandex Browser (Desktop)
Sources
Also known as GHSA-p986-xv2x-2cjm.