Gentoo Archives: gentoo-announce

From: glsamaker@g.o
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202208-06 ] lxml: Multiple Vulnerabilities
Date: Wed, 10 Aug 2022 04:41:01
Message-Id: 166010361691.8.16644077346952778780@801d8681a5af
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2 Gentoo Linux Security Advisory GLSA 202208-06
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: lxml: Multiple Vulnerabilities
9 Date: August 10, 2022
10 Bugs: #777579, #829053, #856598
11 ID: 202208-06
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14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities have been discovered in lxml, the worst of
19 which could result in denial of service.
20
21 Background
22 ==========
23
24 lxml is a Pythonic binding for the libxml2 and libxslt libraries.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 dev-python/lxml < 4.9.1 >= 4.9.1
33
34 Description
35 ===========
36
37 Multiple vulnerabilities have been discovered in lxml. Please review the
38 CVE identifiers referenced below for details.
39
40 Impact
41 ======
42
43 Please review the referenced CVE identifiers for details.
44
45 Workaround
46 ==========
47
48 There is no known workaround at this time.
49
50 Resolution
51 ==========
52
53 All lxml users should upgrade to the latest version:
54
55 # emerge --sync
56 # emerge --ask --oneshot --verbose ">=dev-python/lxml-4.9.1"
57
58 References
59 ==========
60
61 [ 1 ] CVE-2021-28957
62 https://nvd.nist.gov/vuln/detail/CVE-2021-28957
63 [ 2 ] CVE-2021-43818
64 https://nvd.nist.gov/vuln/detail/CVE-2021-43818
65 [ 3 ] CVE-2022-2309
66 https://nvd.nist.gov/vuln/detail/CVE-2022-2309
67 [ 4 ] GHSL-2021-1037
68 [ 5 ] GHSL-2021-1038
69
70 Availability
71 ============
72
73 This GLSA and any updates to it are available for viewing at
74 the Gentoo Security Website:
75
76 https://security.gentoo.org/glsa/202208-06
77
78 Concerns?
79 =========
80
81 Security is a primary focus of Gentoo Linux and ensuring the
82 confidentiality and security of our users' machines is of utmost
83 importance to us. Any security concerns should be addressed to
84 security@g.o or alternatively, you may file a bug at
85 https://bugs.gentoo.org.
86
87 License
88 =======
89
90 Copyright 2022 Gentoo Foundation, Inc; referenced text
91 belongs to its owner(s).
92
93 The contents of this document are licensed under the
94 Creative Commons - Attribution / Share Alike license.
95
96 https://creativecommons.org/licenses/by-sa/2.5

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