Gentoo Archives: gentoo-announce

From: glsamaker@g.o
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202210-42 ] zlib: Multiple vulnerabilities
Date: Mon, 31 Oct 2022 20:40:04
Message-Id: 166724862197.9.17924926228220954705@90bb6a0775af
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2 Gentoo Linux Security Advisory GLSA 202210-42
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: zlib: Multiple vulnerabilities
9 Date: October 31, 2022
10 Bugs: #863851, #835958
11 ID: 202210-42
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14
15 Synopsis
16 ========
17
18 A buffer overflow in zlib might allow an attacker to cause remote code
19 execution.
20
21 Background
22 ==========
23
24 zlib is a widely used free and patent unencumbered data compression
25 library.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 sys-libs/zlib < 1.2.12-r3 >= 1.2.12-r3
34
35 Description
36 ===========
37
38 Multiple vulnerabilities have been discovered in zlib. Please review the
39 CVE identifiers referenced below for details.
40
41 Impact
42 ======
43
44 Maliciously crafted input handled by zlib may result in remote code
45 execution.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All zlib users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=sys-libs/zlib-1.2.12-r3"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2018-25032
64 https://nvd.nist.gov/vuln/detail/CVE-2018-25032
65 [ 2 ] CVE-2022-37434
66 https://nvd.nist.gov/vuln/detail/CVE-2022-37434
67
68 Availability
69 ============
70
71 This GLSA and any updates to it are available for viewing at
72 the Gentoo Security Website:
73
74 https://security.gentoo.org/glsa/202210-42
75
76 Concerns?
77 =========
78
79 Security is a primary focus of Gentoo Linux and ensuring the
80 confidentiality and security of our users' machines is of utmost
81 importance to us. Any security concerns should be addressed to
82 security@g.o or alternatively, you may file a bug at
83 https://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2022 Gentoo Foundation, Inc; referenced text
89 belongs to its owner(s).
90
91 The contents of this document are licensed under the
92 Creative Commons - Attribution / Share Alike license.
93
94 https://creativecommons.org/licenses/by-sa/2.5

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