CVE-2019-12957 Memory corruption in n/a

What is CVE-2019-12957?

CVE-2019-12957 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 24 Jun 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In Xpdf 4.01.01, a buffer over-read could be triggered in FoFiType1C::convertToType1 in fofi/FoFiType1C.cc when the index number is larger than the charset array bounds. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It allows an attacker to use a crafted pdf file to cause Denial of Service or an information leak, or possibly have unspecified other impact.

Weakness: CWE-129, CWE-125

Which versions are affected by CVE-2019-12957?

It affects 2 products.

Products include Fedoraproject Fedora, Glyphandcog Xpdfreader.

How do I fix CVE-2019-12957?

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-2019-12957 being exploited?

There is no known exploitation of CVE-2019-12957 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-12957, GHSA-g98h-xvfp-4q9x.