CVE-2013-1677 Memory corruption in n/a

What is CVE-2013-1677?

CVE-2013-1677 is a critical memory corruption vulnerability in Mozilla Firefox, published on 16 May 2013. 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

The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors.

Weakness: CWE-399

Which versions are affected by CVE-2013-1677?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Thunderbird, Mozilla Thunderbird Esr.

How do I fix CVE-2013-1677?

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-2013-1677 being exploited?

There is no known exploitation of CVE-2013-1677 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-r887-g3fw-6c4x.