CVE-2019-20391
published 2020-01-22CVE-2019-20391: An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit…
PriorityP429medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
1.86%
76.9th percentile
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| debian | libyang | < libyang 1.0.176-1 (bullseye) | libyang 1.0.176-1 (bullseye) |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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GHSA
GHSA-57jg-xr2w-54jg: An invalid memory access flaw is present in libyang before v1
ghsa_unreviewed·2022-05-24
CVE-2019-20391 [MEDIUM] CWE-119 GHSA-57jg-xr2w-54jg: An invalid memory access flaw is present in libyang before v1
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
OSV
CVE-2019-20391: An invalid memory access flaw is present in libyang before v1
osv·2020-01-22·CVSS 6.5
CVE-2019-20391 [MEDIUM] CVE-2019-20391: An invalid memory access flaw is present in libyang before v1
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Red Hat
libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
vendor_redhat·2019-04-26·CVSS 6.5
CVE-2019-20391 [MEDIUM] CWE-119 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
An invalid memory access flaw occurs in libyang in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to process untrusted input YANG files may crash.
Debian
CVE-2019-20391: libyang - An invalid memory access flaw is present in libyang before v1.0-r3 in the functi...
vendor_debian·2019·CVSS 6.5
CVE-2019-20391 [MEDIUM] CVE-2019-20391: libyang - An invalid memory access flaw is present in libyang before v1.0-r3 in the functi...
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Scope: local
bullseye: resolved (fixed in 1.0.176-1)
forky: resolved (fixed in 1.0.176-1)
sid: resolved (fixed in 1.0.176-1)
trixie: resolved (fixed in 1.0.176-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit [fedora-all]
bugzilla·2020-02-03·CVSS 6.5
CVE-2019-20391 [MEDIUM] CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit [fedora-all]
CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE:
Bugzilla
CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
bugzilla·2020-01-22·CVSS 6.5
CVE-2019-20391 [MEDIUM] CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit
An invalid memory access flaw is present in libyang up to version v1.0-r3 in function resolve_feature_value() when a if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Upstream fix:
https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8
Upstream issue:
https://github.com/CESNET/libyang/issues/772
Discussion:
Created libyang tracking bugs for this issue:
Affects: fedora-all [bug 1797551]
https://bugzilla.redhat.com/show_bug.cgi?id=1793934https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3https://github.com/CESNET/libyang/issues/772https://lists.debian.org/debian-lts-announce/2023/09/msg00019.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1793934https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3https://github.com/CESNET/libyang/issues/772https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
2020-01-22
Published