Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202007-28 ] re2c: Buffer overflow
Date: Mon, 27 Jul 2020 00:23:24
Message-Id: 255574D0-2C52-4F1B-AFD1-194487C3F6ED@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202007-28
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: re2c: Buffer overflow
9 Date: July 27, 2020
10 Bugs: #718350
11 ID: 202007-28
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14
15 Synopsis
16 ========
17
18 A vulnerability in re2c could lead to a Denial of Service condition.
19
20 Background
21 ==========
22
23 re2c is a tool for generating C-based recognizers from regular
24 expressions.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 dev-util/re2c < 1.3-r1 >= 1.3-r1
33
34 Description
35 ===========
36
37 A heap buffer overflow vulnerability was discovered in re2c.
38
39 Impact
40 ======
41
42 An attacker could possibly cause a Denial of Service condition.
43
44 Workaround
45 ==========
46
47 There is no known workaround at this time.
48
49 Resolution
50 ==========
51
52 All re2c users should upgrade to the latest version:
53
54 # emerge --sync
55 # emerge --ask --oneshot --verbose ">=dev-util/re2c-1.3-r1"
56
57 References
58 ==========
59
60 [ 1 ] CVE-2020-11958
61 https://nvd.nist.gov/vuln/detail/CVE-2020-11958
62
63 Availability
64 ============
65
66 This GLSA and any updates to it are available for viewing at
67 the Gentoo Security Website:
68
69 https://security.gentoo.org/glsa/202007-28
70
71 Concerns?
72 =========
73
74 Security is a primary focus of Gentoo Linux and ensuring the
75 confidentiality and security of our users' machines is of utmost
76 importance to us. Any security concerns should be addressed to
77 security@g.o or alternatively, you may file a bug at
78 https://bugs.gentoo.org.
79
80 License
81 =======
82
83 Copyright 2020 Gentoo Foundation, Inc; referenced text
84 belongs to its owner(s).
85
86 The contents of this document are licensed under the
87 Creative Commons - Attribution / Share Alike license.
88
89 https://creativecommons.org/licenses/by-sa/2.5

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