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Fencer Vulns
critical 9.1

CVE-2026-57074 json

XML::Bare versions through 0.53 for Perl have an unbounded character lookahead

published 2026-07-16 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-44966

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

XML::Bare versions through 0.53 for Perl have an unbounded character lookahead.

The parserc_parse function attempts to check for multicharacter strings such as "<![CDATA" or element terminators such as ">" without checking that the offsets are within the buffer.

Truncated strings such as "<a/" can trigger an out-of-bounds read.

Patch / fix

  • libxml-bare-perl Debian 14 0.53-5

debian advisories DEBIAN-CVE-2026-57074

  • perl-XML-Bare SLE Module for Development Tools 15 SP7 0.53-150000.3.3.1

suse advisories SUSE-SU-2026:3403-1

  • perl-XML-Bare openSUSE Tumbleweed 0.53-7.1
  • perl-XML-Bare openSUSE Leap 16.0 0.53-bp160.2.1

opensuse advisories openSUSE-SU-2026:11351-1openSUSE-SU-2026:21435-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-57074 updated cvss 8.2

perl-XML-Bare: perl-XML-Bare: Out-of-bounds read via crafted XML input

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

  • CODECHILD XML::Bare

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.