CVE-2026-7111

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.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cpan-authors/Text-CSV_XS/commit/c17f31a5f2bf36674748eb4b6e25672f0571a224.patch	Mailing List Patch
https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.62/changes	Product Release Notes
http://www.openwall.com/lists/oss-security/2026/04/29/17	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2026/06/msg00037.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:hmbrand:text\:\:csv_xs:*:*:*:*:*:perl:*:*

History

No history.

Information

Published : 2026-04-29 15:16

Updated : 2026-06-25 20:17

NVD link : CVE-2026-7111

Mitre link : CVE-2026-7111

CVE.ORG link : CVE-2026-7111

JSON object : View

Products Affected

hmbrand

text\

CWE

CWE-416

Use After Free

CWE-825

Expired Pointer Dereference

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