Packages / Debian 12 (Bookworm) / Source / libdevel / libyang2

Source Package: libyang2 (2.1.30-2)

parser toolkit for IETF YANG data modeling - development files

The following binary packages are built from this source package:

libyang2-dev
parser toolkit for IETF YANG data modeling - development files
libyang2-tools
parser toolkit for IETF YANG data modeling - executable tools
libyang-tools
parser toolkit for IETF YANG data modeling [dummy package]

Known vulnerabilities

Matching against OpenFactory catalog package versions is in progress.

CVE Severity Version impact

CVE	Severity	Version impact
[CVE-2026-115327] Published: Oct 22, 2026, 10:57:45 AM UTC libyang2: CVE-2026-115327	Medium(5.3)	Affected Details (6) `2.1.30-2` · amd64 · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12 `2.1.30-2` · amd64 · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
[CVE-2026-41401] Published: May 26, 2026, 2:08:48 PM UTC libyang before 5.2.6 contains a heap use-after-free write vulnerability in lyd_parser_set_data_flags that incorrectly updates metadata list pointers when freeing non-head default metadata entries. Att	High(8.1)	Affected Details (6) `2.1.30-2` · amd64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · amd64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
[CVE-2026-44673] Published: May 14, 2026, 8:35:13 PM UTC libyang is a YANG data modeling language library. Prior to SO 5.2.15, lyb_read_string() in src/parser_lyb.c contains an integer overflow that results in a heap buffer overflow when parsing a malicious	High(8.6)	Affected Details (6) `2.1.30-2` · amd64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · all · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · amd64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12 `2.1.30-2` · arm64 · bookworm Affected nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12

[CVE-2026-115327]

Published: Oct 22, 2026, 10:57:45 AM UTC

libyang2: CVE-2026-115327

Medium(5.3)

Affected

Details (6)

2.1.30-2 · amd64 · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
2.1.30-2 · amd64 · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
dsa · libyang2 · debian · bookworm; dsa · libyang2 · debian · 12

[CVE-2026-41401]

Published: May 26, 2026, 2:08:48 PM UTC

libyang before 5.2.6 contains a heap use-after-free write vulnerability in lyd_parser_set_data_flags that incorrectly updates metadata list pointers when freeing non-head default metadata entries. Att

High(8.1)

Affected

Details (6)

2.1.30-2 · amd64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · amd64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12

[CVE-2026-44673]

Published: May 14, 2026, 8:35:13 PM UTC

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lyb_read_string() in src/parser_lyb.c contains an integer overflow that results in a heap buffer overflow when parsing a malicious

High(8.6)

Affected

Details (6)

2.1.30-2 · amd64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · all · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · amd64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12
2.1.30-2 · arm64 · bookworm
Affected
nvd · libyang2 · debian · bookworm; nvd · libyang2 · debian · 12

Fixed and unaffected versions (5)

CVE	Severity	Version impact
[CVE-2021-28902] Published: May 20, 2021, 7:15:00 PM UTC libyang2: CVE-2021-28902	High(7.5)	Not affected Details (6) `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm
[CVE-2021-28903] Published: May 20, 2021, 7:15:00 PM UTC libyang2: CVE-2021-28903	High(7.5)	Not affected Details (6) `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm
[CVE-2021-28904] Published: May 20, 2021, 7:15:00 PM UTC libyang2: CVE-2021-28904	High(7.5)	Not affected Details (6) `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm
[CVE-2021-28906] Published: May 20, 2021, 7:15:00 PM UTC libyang2: CVE-2021-28906	High(7.5)	Not affected Details (6) `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm
[CVE-2021-28905] Published: Mar 8, 2021, 12:00:00 AM UTC libyang2: CVE-2021-28905	High(7.5)	Not affected Details (6) `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · all · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · amd64 · bookworm Not affected dsa · libyang2 · debian · bookworm `2.1.30-2` · arm64 · bookworm Not affected dsa · libyang2 · debian · bookworm

Last synced: Oct 28, 2026, 3:52:27 AM UTC

[CVE catalog]

Sources

Debian 12 (Bookworm) main amd64Sep 1, 2026
Authoritative source; repository metadata signature verified
Signature evidence
bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/bookworm/InRelease
Signed-object SHA-256
77737fa4b34f2693e982cc9ee35736816c35a7778fc2d326cc1bbf5b301fe1aa
Signer fingerprint
4CB50190207B4758A3F73A796ED0E7B82643E131
Keyring revision
debian-archive-keyring.gpg
SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
Tool and policy
gpgv (GnuPG) 2.4.9
openfactory-software-catalog-signature-v1
Verification time
Sep 1, 2026
Repository metadata hash linkage
Path
main/binary-amd64/Packages.xz
Expected SHA-256
9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Observed SHA-256
9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Result
match verified
Debian 12 (Bookworm) main arm64Sep 1, 2026
Authoritative source; repository metadata signature verified
Signature evidence
bookworm-main-arm64:2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/bookworm/InRelease
Signed-object SHA-256
77737fa4b34f2693e982cc9ee35736816c35a7778fc2d326cc1bbf5b301fe1aa
Signer fingerprint
4CB50190207B4758A3F73A796ED0E7B82643E131
Keyring revision
debian-archive-keyring.gpg
SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
Tool and policy
gpgv (GnuPG) 2.4.9
openfactory-software-catalog-signature-v1
Verification time
Sep 1, 2026
Repository metadata hash linkage
Path
main/binary-arm64/Packages.xz
Expected SHA-256
2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Observed SHA-256
2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Result
match verified