Packages / Debian 13 (Trixie) / Source / libs / liboauth2

Source Package: liboauth2 (2.1.0-2)

Generic oauth2 and OIDC library

The following binary packages are built from this source package:

liboauth2-0
Generic oauth2 and OIDC library
liboauth2-apache0
Generic oauth2 and OIDC library (apache2 bindings)
liboauth2-apache-dev
Generic oauth2 and OIDC library (apache2 bindings development)
liboauth2-dev
Generic oauth2 and OIDC library (development)

Known vulnerabilities

Matching against OpenFactory catalog package versions is in progress.

CVE Severity Version impact

CVE	Severity	Version impact
[CVE-2026-54431] Published: Jul 2, 2026, 10:30:57 AM UTC In liboauth2 the Demonstrating Proof-of-Possession (DPoP) verifier accepts a proof whose JSON Web Key (jwk) header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to r	Medium(5.3)	Affected Details (8) `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13
[CVE-2026-54430] Published: Jul 2, 2026, 10:30:33 AM UTC liboauth2 is vulnerable to Server-Side Request Forgery in oauth2_jose_jwks_aws_alb_resolve() function. The AWS ALB verifier reads both signer and kid from the unverified JWT header. If signer matches	Medium(5.8)	Affected Details (8) `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · amd64 · trixie Affected nvd · liboauth2 · debian · 13 `2.1.0-2` · arm64 · trixie Affected nvd · liboauth2 · debian · 13

[CVE-2026-54431]

Published: Jul 2, 2026, 10:30:57 AM UTC

In liboauth2 the Demonstrating Proof-of-Possession (DPoP) verifier accepts a proof whose JSON Web Key (jwk) header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to r

Medium(5.3)

Affected

Details (8)

2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13

[CVE-2026-54430]

Published: Jul 2, 2026, 10:30:33 AM UTC

liboauth2 is vulnerable to Server-Side Request Forgery in oauth2_jose_jwks_aws_alb_resolve() function. The AWS ALB verifier reads both signer and kid from the unverified JWT header. If signer matches

Medium(5.8)

Affected

Details (8)

2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · amd64 · trixie
Affected
nvd · liboauth2 · debian · 13
2.1.0-2 · arm64 · trixie
Affected
nvd · liboauth2 · debian · 13

Last synced: Oct 28, 2026, 1:23:45 AM UTC

[CVE catalog]

Sources

Debian 13 (Trixie) main amd64Sep 1, 2026
Authoritative source; repository metadata signature verified
Signature evidence
trixie-main-amd64:3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/trixie/InRelease
Signed-object SHA-256
98b25b5cd185c59d34aa6e4c3e9b5b8f01bbe9d104fe2dcfbcd30dc0a14a59ed
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
3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3
Observed SHA-256
3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3
Result
match verified
Debian 13 (Trixie) main arm64Sep 1, 2026
Authoritative source; repository metadata signature verified
Signature evidence
trixie-main-arm64:753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/trixie/InRelease
Signed-object SHA-256
98b25b5cd185c59d34aa6e4c3e9b5b8f01bbe9d104fe2dcfbcd30dc0a14a59ed
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
753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908
Observed SHA-256
753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908
Result
match verified