CVE-2023-23457: fedoraproject fedora

Vulnerability summary

CVE-2023-23457 is a medium (CVSS 5.5) vulnerability in fedoraproject fedora. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-01-2023
   PublishedVulnerability first disclosed.
2. 07-04-2025
   Last modifiedVulnerability information updated.

Description

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.