glsa-202107-05.xml


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202107-05">
  <title>libxml2: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in libxml2, the worst of
    which could result in a Denial of Service condition.
  </synopsis>
  <product type="ebuild">libxml2</product>
  <announced>2021-07-06</announced>
  <revised count="1">2021-07-06</revised>
  <bug>749849</bug>
  <bug>790002</bug>
  <access>local, remote</access>
  <affected>
    <package name="dev-libs/libxml2" auto="yes" arch="*">
      <unaffected range="ge">2.9.11</unaffected>
      <vulnerable range="lt">2.9.11</vulnerable>
    </package>
  </affected>
  <background>
    <p>libxml2 is the XML (eXtended Markup Language) C parser and toolkit
      initially developed for the GNOME project.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in libxml2. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="low">
    <p>A remote attacker could entice a user to process a specially crafted XML
      document using an application linked against libxml2, possibly resulting
      in a Denial of Service condition or obtaining sensitive information.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libxml2 users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/libxml2-2.9.12-r3"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-24977">CVE-2020-24977</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3516">CVE-2021-3516</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3517">CVE-2021-3517</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3518">CVE-2021-3518</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3537">CVE-2021-3537</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3541">CVE-2021-3541</uri>
  </references>
  <metadata tag="requester" timestamp="2021-05-24T00:17:09Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2021-07-06T03:13:56Z">whissi</metadata>
</glsa>