CVE-2024-55564: n/a
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical · fixed in 0.24 : patch affected systems as a priority.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.24
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
1. Monitor official POSIX::2008 package repositories and Perl community channels for the release of patches addressing CVE-2024-55564 and apply updates immediately upon availability. 2. In the interim, restrict exposure of Perl environments running vulnerable versions by limiting network access and isolating affected systems. 3. Implement environment variable sanitization and validation to prevent maliciously crafted environment inputs from triggering the buffer overflow. 4. Employ application whitelisting and runtime protection tools to detect and block anomalous code execution attempts originating from Perl processes. 5. Conduct thorough code audits and review usage of POSIX::2008 functions, replacing or refactoring vulnerable calls where feasible. 6. Enhance monitoring and logging around Perl script execution to detect suspicious activity early. 7. Educate development and operations teams about the vulnerability and encourage minimizing reliance on outdated Perl packages. 8. Consider deploying intrusion prevention systems (IPS) with signatures targeting exploitation attempts once available. These steps collectively reduce the attack surface and mitigate risk until a formal patch is released.
Description
The POSIX::2008 package before 0.24 for Perl has a potential _execve50c env buffer overflow.