# CVE-2026-110752: Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragment.

> Attackers can cause memory exhaustion and process termination by supplying crafted RFC 7111 selectors to the Text::CSV_XS Perl library.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 16 Oct 2026
- **Updated:** 20 Oct 2026
- **Also known as:** AZL-109745, DEBIAN-CVE-2026-110752, GHSA-c8hf-63cr-rrfm, UBUNTU-CVE-2026-110752

## What is CVE-2026-110752?

CVE-2026-110752 is a high-severity denial of service vulnerability, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragment.

fragment expands a row= or col= selector into an array with one element per selected index before it reads any data, and it does not clamp an explicit end column in a cell= selector to the row. Only the syntax and order of the ranges are checked, so row=1-400000000 on a two-line file allocates 400 million elements.

An application that passes a request-supplied fragment to fragment or csv can be made to exhaust memory, which ends the process with an Out of memory error that eval cannot catch.

Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

## Which versions are affected by CVE-2026-110752?


## How do I fix CVE-2026-110752?

Upgrade to a fixed version.

## Is CVE-2026-110752 being exploited?

There is no known exploitation of CVE-2026-110752 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-110752 and fix it if it is affected.

What it is: CVE-2026-110752 is a high-severity denial of service vulnerability, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-110752 in the wild and no public exploit code.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-110752/ (Markdown: https://insights.sbomify.com/CVE-2026-110752/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-110752
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-110752
- OSV: https://osv.dev/vulnerability/CVE-2026-110752

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-110752/
Summaries are generated and may contain mistakes; the official description above is the record.