🛡️ CVE-2026-7111 — text\

🟠 CVSS 8.4 — High ✅ No Known Exploit CWE-416 NVD
8.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Text::CSV_XS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory corruption.

The Parse, print, getline, and getline_all methods invoke registered callbacks (for example after_parse, before_print, or on_error) and cache the Perl argument stack pointer across the call. If a callback extends the argument stack enough to trigger a reallocation, the return value is written through the stale pointer into the freed buffer, and the caller reads the original $self argument as the return value instead.

Calling code that expects parsed data from getline_all receives the Text::CSV_XS object in its place, leading to logic errors or crashes. Text::CSV_XS objects used without any registered callbacks are not affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-7111 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.

Affected software

CVE-2026-7111 is recorded against 1 package.

  • text\ (fixed in 1.62)

Timeline and source

Published on 29 April 2026 and last revised on 25 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
metacpan.org
www.openwall.com
lists.debian.org

CVE-2026-7111 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.4
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-416
Public Exploit ✅ No
Source NVD
Published 2026-04-29
Updated 2026-08-11
Modified 2026-06-25

Affected Packages

Software From version Fixed in
text\ — 1.62

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