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Fencer Intel
medium 5.1

CVE-2011-1425 json

xslt.c in XML Security Library (aka xmlsec) before 1.2.17, as used in WebKit and other products, when XSLT is enabled, allows remote attack…

published 2011-04-03 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1430

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.1%
EPSS 8.1% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

xslt.c in XML Security Library (aka xmlsec) before 1.2.17, as used in WebKit and other products, when XSLT is enabled, allows remote attackers to create or overwrite arbitrary files via vectors involving the libxslt output extension and a ds:Transform element during signature verification.

Patch / fix

  • xmlsec1 Debian 14, Debian 13, Debian 12 1.2.14-1.1

debian advisories DEBIAN-CVE-2011-1425

  • xmlsec1 RHEL 4 1.2.6-3.2
  • xmlsec1 RHEL 5 1.2.9-8.1.2
  • xmlsec1-nss RHEL 5 1.2.9-8.1.2
  • xmlsec1-gnutls RHEL 5 1.2.9-8.1.2
  • xmlsec1-openssl RHEL 4 1.2.6-3.2
  • xmlsec1-openssl RHEL 5 1.2.9-8.1.2

red hat advisories RHSA-2011:0486

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-2011-1425 updated cvss 5.1

xmlsec1: arbitrary file creation when verifying signatures

  • Red Hat Enterprise Linux (v. 5.6.z server) xmlsec1 1.2.9-8.1.2, xmlsec1-nss 1.2.9-8.1.2, xmlsec1-gnutls 1.2.9-8.1.2, xmlsec1-openssl 1.2.9-8.1.2 Red Hat Enterprise Linux AS version 4 xmlsec1 1.2.6-3.2, xmlsec1-openssl 1.2.6-3.2 Red Hat Enterprise Linux Desktop version 4 xmlsec1 1.2.6-3.2, xmlsec1-openssl 1.2.6-3.2 Red Hat Enterprise Linux ES version 4 xmlsec1 1.2.6-3.2, xmlsec1-openssl 1.2.6-3.2 Red Hat Enterprise Linux WS version 4 xmlsec1 1.2.6-3.2, xmlsec1-openssl 1.2.6-3.2
    fixed: vendor fix RHSA-2011:0486

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

Timeline

  1. Published
  2. First public exploit (EDB-17993)

Exploit prediction

8.06% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-17993 Apple Safari Webkit - libxslt Arbitrary File Creation (Metasploit) remote, 2011-10-18

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel 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.