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package/flex: ignore CVE-2019-6293

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https://security-tracker.debian.org/tracker/CVE-2019-6293

https://github.com/NixOS/nixpkgs/issues/55386#issuecomment-683792976
 "But this bug does not cause stack overflows in the generated code.
 The function and file referred to in the bug (mark_beginning_as_normal
 in nfa.c) are part of the flex code generator, not part of the
 generated code. If flex crashes before generating any code, that
 can hardly be a vulnerability. If flex does not crash, the generated
 code is fine (or perhaps subject to other unreported bugs, who knows,
 but the NFA has been generated correctly)."

Upstream has chosen to not provide a fix
 https://github.com/westes/flex/issues/414

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
[yann.morin.1998@free.fr: use actual upstream URL]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Matt Weber 2021-04-21 15:42:30 -05:00 committed by Yann E. MORIN
parent 5ce1e773b9
commit 120d1241d8
1 changed files with 3 additions and 0 deletions
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package/flex/flex.mk
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@ -10,6 +10,9 @@ FLEX_INSTALL_STAGING = YES
FLEX_LICENSE = FLEX FLEX_LICENSE = FLEX
FLEX_LICENSE_FILES = COPYING FLEX_LICENSE_FILES = COPYING
FLEX_CPE_ID_VENDOR = flex_project FLEX_CPE_ID_VENDOR = flex_project
# bug does not cause stack overflows in the generated code and has been
# noted upstream as a bug in the code generator
FLEX_IGNORE_CVES = CVE-2019-6293
FLEX_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES) host-m4 FLEX_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES) host-m4
HOST_FLEX_DEPENDENCIES = host-m4 HOST_FLEX_DEPENDENCIES = host-m4