CVE-2005-0255 Memory corruption in n/a

What is CVE-2005-0255?

CVE-2005-0255 is a medium-severity memory corruption vulnerability in Mozilla Firefox, published on 28 Feb 2005. 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

String handling functions in Mozilla 1.7.3, Firefox 1.0, and Thunderbird before 1.0.2, such as the nsTSubstring_CharT::Replace function, do not properly check the return values of other functions that resize the string, which allows remote attackers to cause a denial of service and possibly execute arbitrary code by forcing an out-of-memory state that causes a reallocation to fail and return a pointer to a fixed address, which leads to heap corruption.

Which versions are affected by CVE-2005-0255?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Mozilla, Mozilla Thunderbird.

How do I fix CVE-2005-0255?

Upgrade to a fixed version.

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

Is CVE-2005-0255 being exploited?

There is no known exploitation of CVE-2005-0255 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

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

Also known as GHSA-xg8v-4hxj-rcfg.