CVE-2026-6253
CVE-2026-6253 · proxy credentials leak over redirect-to proxy
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
Cette page présente une partie des faits des sources. Consultez les avis liés pour la description complète et les versions concernées.
curl might erroneously pass on credentials for a first proxy to a second proxy. This can happen when the following conditions are true: 1. curl is setup to use specific different proxies for different URL schemes 2. the first proxy needs credentials 3. the second proxy uses no credentials 4. while using the first proxy (using say `http://`), curl is asked to follow a redirect to a URL using another scheme (say `https://`), accessed using a second, different, proxy
CVSS 5.9 · Moyenne · EPSS 0,7% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
curl
- Versions du logiciel
- ≥ 7.14.1, < 8.14.2: Concernée (semver)
- ≥ 8.15.0, < 8.16.1: Concernée (semver)
- ≥ 8.17.0, < 8.20.0: Concernée (semver)
Mettez à jour vers 8.14.2; Mettez à jour vers 8.16.1; Mettez à jour vers 8.20.0
curl
- Versions du logiciel
- ≥ 3b60bb725913ce7339aefef0a14b12df4c24db60, < 188c2f166a20fa97c2325b2da7d0e5cecc13725f: Concernée (git)
Aucun correctif publié
curl
- Versions du logiciel
- 8.19.0: Concernée
- 8.18.0: Concernée
- 8.17.0: Concernée
- 8.16.0: Concernée
- 8.15.0: Concernée
- 8.14.1: Concernée
- 8.14.0: Concernée
- 8.13.0: Concernée
- 8.12.1: Concernée
- 8.12.0: Concernée
- 8.11.1: Concernée
- 8.11.0: Concernée
- 8.10.1: Concernée
- 8.10.0: Concernée
- 8.9.1: Concernée
- 8.9.0: Concernée
- 8.8.0: Concernée
- 8.7.1: Concernée
- 8.7.0: Concernée
- 8.6.0: Concernée
- 8.5.0: Concernée
- 8.4.0: Concernée
- 8.3.0: Concernée
- 8.2.1: Concernée
- 8.2.0: Concernée
- 8.1.2: Concernée
- 8.1.1: Concernée
- 8.1.0: Concernée
- 8.0.1: Concernée
- 8.0.0: Concernée
- 7.88.1: Concernée
- 7.88.0: Concernée
- 7.87.0: Concernée
- 7.86.0: Concernée
- 7.85.0: Concernée
- 7.84.0: Concernée
- 7.83.1: Concernée
- 7.83.0: Concernée
- 7.82.0: Concernée
- 7.81.0: Concernée
- 7.80.0: Concernée
- 7.79.1: Concernée
- 7.79.0: Concernée
- 7.78.0: Concernée
- 7.77.0: Concernée
- 7.76.1: Concernée
- 7.76.0: Concernée
- 7.75.0: Concernée
- 7.74.0: Concernée
- 7.73.0: Concernée
- 7.72.0: Concernée
- 7.71.1: Concernée
- 7.71.0: Concernée
- 7.70.0: Concernée
- 7.69.1: Concernée
- 7.69.0: Concernée
- 7.68.0: Concernée
- 7.67.0: Concernée
- 7.66.0: Concernée
- 7.65.3: Concernée
- 7.65.2: Concernée
- 7.65.1: Concernée
- 7.65.0: Concernée
- 7.64.1: Concernée
- 7.64.0: Concernée
- 7.63.0: Concernée
- 7.62.0: Concernée
- 7.61.1: Concernée
- 7.61.0: Concernée
- 7.60.0: Concernée
- 7.59.0: Concernée
- 7.58.0: Concernée
- 7.57.0: Concernée
- 7.56.1: Concernée
- 7.56.0: Concernée
- 7.55.1: Concernée
- 7.55.0: Concernée
- 7.54.1: Concernée
- 7.54.0: Concernée
- 7.53.1: Concernée
- 7.53.0: Concernée
- 7.52.1: Concernée
- 7.52.0: Concernée
- 7.51.0: Concernée
- 7.50.3: Concernée
- 7.50.2: Concernée
- 7.50.1: Concernée
- 7.50.0: Concernée
- 7.49.1: Concernée
- 7.49.0: Concernée
- 7.48.0: Concernée
- 7.47.1: Concernée
- 7.47.0: Concernée
- 7.46.0: Concernée
- 7.45.0: Concernée
- 7.44.0: Concernée
- 7.43.0: Concernée
- 7.42.1: Concernée
- 7.42.0: Concernée
- 7.41.0: Concernée
- 7.40.0: Concernée
- 7.39.0: Concernée
Aucun correctif publié
curl Debian:12
- Versions du logiciel
- 7.88.1-10
- 7.88.1-10+deb12u1
- 7.88.1-10+deb12u11
- 7.88.1-10+deb12u12
- 7.88.1-10+deb12u13
- 7.88.1-10+deb12u14
- 7.88.1-10+deb12u15
- 7.88.1-10+deb12u1~bpo11+1
- 7.88.1-10+deb12u2
- 7.88.1-10+deb12u3
- 7.88.1-10+deb12u3~bpo11+1
- 7.88.1-10+deb12u4
- 7.88.1-10+deb12u5
- 7.88.1-10+deb12u5~bpo11+1
- 7.88.1-10+deb12u6
- 7.88.1-10+deb12u6~bpo11+1
- 7.88.1-10+deb12u7
- 7.88.1-10+deb12u8
- 7.88.1-10+deb12u9
- 7.88.1-11
- 8.0.1-1~exp1
- 8.10.0-1
- 8.10.0-2
- 8.10.1-1
- 8.10.1-1~bpo12+1
- 8.10.1-2
- 8.11.0-1
- 8.11.1-1
- 8.11.1-1~bpo12+1
- 8.12.0+git20250209.89ed161+ds-1
- 8.12.0+git20250209.89ed161+ds-1~bpo12+1
- 8.12.1-1
- 8.12.1-2
- 8.12.1-2~bpo12+1
- 8.12.1-3
- 8.12.1-3~bpo12+1
- 8.13.0-1
- 8.13.0-1+exp1
- 8.13.0-2
- 8.13.0-2+exp1
- 8.13.0-3
- 8.13.0-4
- 8.13.0-4+exp1
- 8.13.0-5
- 8.13.0-5+exp1
- 8.13.0-5~bpo12+1
- 8.13.0~rc-1~exp1
- 8.13.0~rc-1~exp2
- 8.13.0~rc2-1
- 8.13.0~rc2-2
- 8.13.0~rc3-1
- 8.13.0~rc3-1+exp1
- 8.14.0-1
- 8.14.0-1+exp1
- 8.14.0~rc1-1+exp1
- 8.14.0~rc2-1+exp1
- 8.14.0~rc3-1+exp1
- 8.14.1-1
- 8.14.1-1~bpo12+1
- 8.14.1-2
- 8.14.1-2+exp1
- 8.14.1-2~bpo12+1
- 8.15.0-1
- 8.15.0-1~bpo13+1
- 8.15.0-1~exp1
- 8.15.0~rc1-1exp1
- 8.15.0~rc2-1~exp1
- 8.15.0~rc3-1~exp1
- 8.16.0-1
- 8.16.0-1+exp1
- 8.16.0-1~bpo13+1
- 8.16.0-2
- 8.16.0-3
- 8.16.0-4
- 8.16.0-4~bpo13+1
- 8.16.0~rc1-1~exp1
- 8.16.0~rc2-1
- 8.16.0~rc2-2
- 8.16.0~rc3-1
- 8.17.0-1
- 8.17.0-2
- 8.17.0-3
- 8.17.0~rc1-1~exp1
- 8.17.0~rc2-1
- 8.17.0~rc3-1
- 8.18.0-1
- 8.18.0-1~bpo13+1
- 8.18.0-2
- 8.18.0~rc1-1+exp1
- 8.18.0~rc2-1
- 8.18.0~rc3-1
- 8.19.0-1
- 8.19.0-1+exp1
- 8.19.0-1~bpo13+1
- 8.19.0-2
- 8.19.0-3
- 8.19.0-3+exp1
- 8.19.0-3+exp2
- 8.19.0~rc1-1~exp1
- 8.19.0~rc2-1
- 8.19.0~rc2-2
- 8.19.0~rc3-1
- 8.2.1-1
- 8.2.1-2
- 8.2.1-2~bpo12+1
- 8.20.0-1
- 8.20.0-1+exp
- 8.20.0-2
- 8.20.0-2+exp1
- 8.20.0-2~bpo13+1
- 8.20.0-3
- 8.20.0-4
- 8.20.0-5
- 8.20.0-5~bpo13+1
- 8.20.0~rc1-1+exp1
- 8.20.0~rc1-1+exp2
- 8.20.0~rc1-1+exp3
- 8.20.0~rc2-1
- 8.20.0~rc2-1+exp1
- 8.20.0~rc3-1
- 8.20.0~rc3-1+exp1
- 8.21.0-1
- 8.21.0-1+exp1
- 8.21.0-2
- 8.21.0-2+exp1
- 8.21.0-2~bpo13+1
- 8.21.0~rc1-1+exp1
- 8.21.0~rc2-1
- 8.21.0~rc2-1+exp1
- 8.21.0~rc3-1
- 8.21.0~rc3-1+exp1
- 8.22.0-1
- 8.22.0-1+exp1
- 8.22.0~rc2-1
- 8.22.0~rc2-2
- 8.22.0~rc3-1
- 8.22.0~rc3-1+exp1
- 8.23.0~rc1-1
- 8.23.0~rc1-2
- 8.23.0~rc2-1
- 8.23.0~rc2-1+exp1
- 8.3.0-1
- 8.3.0-2
- 8.3.0-2~bpo12+1
- 8.3.0-2~exp1
- 8.3.0-3
- 8.4.0-1
- 8.4.0-2
- 8.4.0-2~bpo12+1
- 8.5.0-1
- 8.5.0-1+exp1
- 8.5.0-2
- 8.5.0-2+exp1
- 8.5.0-2~bpo12+1
- 8.6.0-1
- 8.6.0-1.1
- 8.6.0-2
- 8.6.0-3
- 8.6.0-3.1
- 8.6.0-3.1~exp1
- 8.6.0-3.1~exp2
- 8.6.0-3.2
- 8.6.0-4
- 8.7.1-1
- 8.7.1-1+exp1
- 8.7.1-2
- 8.7.1-3
- 8.7.1-4
- 8.7.1-5
- 8.7.1-5+exp1
- 8.7.1-5~bpo12+1
- 8.8.0-1
- 8.8.0-1+exp1
- 8.8.0-1+exp2
- 8.8.0-1~bpo12+1
- 8.8.0-2
- 8.8.0-3
- 8.8.0-4
- 8.9.0-1
- 8.9.0-2
- 8.9.0-3
- 8.9.1-1
- 8.9.1-2
- 8.9.1-2~bpo12+1
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
curl Debian:13
- Versions du logiciel
- 8.14.1-2
- 8.14.1-2+deb13u1
- 8.14.1-2+deb13u2
- 8.14.1-2+deb13u2~bpo13+1
- 8.14.1-2+deb13u3
- Plages de versions concernées
- ECOSYSTEM: < 8.14.1-2+deb13u4
Mettez à jour vers 8.14.1-2+deb13u4
curl Debian:14
- Versions du logiciel
- 8.14.1-2
- 8.14.1-2+exp1
- 8.15.0-1
- 8.15.0-1~bpo13+1
- 8.15.0-1~exp1
- 8.15.0~rc1-1exp1
- 8.15.0~rc2-1~exp1
- 8.15.0~rc3-1~exp1
- 8.16.0-1
- 8.16.0-1+exp1
- 8.16.0-1~bpo13+1
- 8.16.0-2
- 8.16.0-3
- 8.16.0-4
- 8.16.0-4~bpo13+1
- 8.16.0~rc1-1~exp1
- 8.16.0~rc2-1
- 8.16.0~rc2-2
- 8.16.0~rc3-1
- 8.17.0-1
- 8.17.0-2
- 8.17.0-3
- 8.17.0~rc1-1~exp1
- 8.17.0~rc2-1
- 8.17.0~rc3-1
- 8.18.0-1
- 8.18.0-1~bpo13+1
- 8.18.0-2
- 8.18.0~rc1-1+exp1
- 8.18.0~rc2-1
- 8.18.0~rc3-1
- 8.19.0-1
- 8.19.0-1+exp1
- 8.19.0-1~bpo13+1
- 8.19.0-2
- 8.19.0-3
- 8.19.0-3+exp1
- 8.19.0-3+exp2
- 8.19.0~rc1-1~exp1
- 8.19.0~rc2-1
- 8.19.0~rc2-2
- 8.19.0~rc3-1
- 8.20.0~rc1-1+exp1
- 8.20.0~rc1-1+exp2
- 8.20.0~rc1-1+exp3
- 8.20.0~rc2-1
- 8.20.0~rc2-1+exp1
- Plages de versions concernées
- ECOSYSTEM: < 8.20.0~rc3-1
Mettez à jour vers 8.20.0~rc3-1
curl Ubuntu:Pro:14.04:LTS
- Versions du logiciel
- 7.32.0-1ubuntu1
- 7.33.0-1ubuntu1
- 7.34.0-1ubuntu1
- 7.35.0-1ubuntu1
- 7.35.0-1ubuntu2
- 7.35.0-1ubuntu2.1
- 7.35.0-1ubuntu2.2
- 7.35.0-1ubuntu2.3
- 7.35.0-1ubuntu2.5
- 7.35.0-1ubuntu2.6
- 7.35.0-1ubuntu2.7
- 7.35.0-1ubuntu2.8
- 7.35.0-1ubuntu2.9
- 7.35.0-1ubuntu2.10
- 7.35.0-1ubuntu2.11
- 7.35.0-1ubuntu2.12
- 7.35.0-1ubuntu2.13
- 7.35.0-1ubuntu2.14
- 7.35.0-1ubuntu2.15
- 7.35.0-1ubuntu2.16
- 7.35.0-1ubuntu2.17
- 7.35.0-1ubuntu2.19
- 7.35.0-1ubuntu2.20
- 7.35.0-1ubuntu2.20+esm2
- 7.35.0-1ubuntu2.20+esm3
- 7.35.0-1ubuntu2.20+esm4
- 7.35.0-1ubuntu2.20+esm5
- 7.35.0-1ubuntu2.20+esm6
- 7.35.0-1ubuntu2.20+esm7
- 7.35.0-1ubuntu2.20+esm8
- 7.35.0-1ubuntu2.20+esm9
- 7.35.0-1ubuntu2.20+esm10
- 7.35.0-1ubuntu2.20+esm11
- 7.35.0-1ubuntu2.20+esm12
- 7.35.0-1ubuntu2.20+esm13
- 7.35.0-1ubuntu2.20+esm14
- 7.35.0-1ubuntu2.20+esm15
- 7.35.0-1ubuntu2.20+esm16
- 7.35.0-1ubuntu2.20+esm17
- 7.35.0-1ubuntu2.20+esm18
- 7.35.0-1ubuntu2.20+esm19
- 7.35.0-1ubuntu2.20+esm20
- 7.35.0-1ubuntu2.20+esm21
- 7.35.0-1ubuntu2.20+esm22
- 7.35.0-1ubuntu2.20+esm23
- 7.35.0-1ubuntu2.20+esm24
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
curl Ubuntu:Pro:16.04:LTS
- Versions du logiciel
- 7.43.0-1ubuntu2
- 7.45.0-1ubuntu1
- 7.46.0-1ubuntu1
- 7.47.0-1ubuntu1
- 7.47.0-1ubuntu2
- 7.47.0-1ubuntu2.1
- 7.47.0-1ubuntu2.2
- 7.47.0-1ubuntu2.3
- 7.47.0-1ubuntu2.4
- 7.47.0-1ubuntu2.5
- 7.47.0-1ubuntu2.6
- 7.47.0-1ubuntu2.7
- 7.47.0-1ubuntu2.8
- 7.47.0-1ubuntu2.9
- 7.47.0-1ubuntu2.11
- 7.47.0-1ubuntu2.12
- 7.47.0-1ubuntu2.13
- 7.47.0-1ubuntu2.14
- 7.47.0-1ubuntu2.15
- 7.47.0-1ubuntu2.16
- 7.47.0-1ubuntu2.18
- 7.47.0-1ubuntu2.19
- 7.47.0-1ubuntu2.19+esm1
- 7.47.0-1ubuntu2.19+esm2
- 7.47.0-1ubuntu2.19+esm3
- 7.47.0-1ubuntu2.19+esm4
- 7.47.0-1ubuntu2.19+esm5
- 7.47.0-1ubuntu2.19+esm6
- 7.47.0-1ubuntu2.19+esm7
- 7.47.0-1ubuntu2.19+esm8
- 7.47.0-1ubuntu2.19+esm9
- 7.47.0-1ubuntu2.19+esm10
- 7.47.0-1ubuntu2.19+esm11
- 7.47.0-1ubuntu2.19+esm12
- 7.47.0-1ubuntu2.19+esm13
- 7.47.0-1ubuntu2.19+esm15
- 7.47.0-1ubuntu2.19+esm16
- 7.47.0-1ubuntu2.19+esm17
- 7.47.0-1ubuntu2.19+esm18
- 7.47.0-1ubuntu2.19+esm20
- 7.47.0-1ubuntu2.19+esm21
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
curl Ubuntu:Pro:18.04:LTS
- Versions du logiciel
- 7.55.1-1ubuntu2
- 7.55.1-1ubuntu2.1
- 7.57.0-1ubuntu1
- 7.58.0-2ubuntu1
- 7.58.0-2ubuntu2
- 7.58.0-2ubuntu3
- 7.58.0-2ubuntu3.1
- 7.58.0-2ubuntu3.2
- 7.58.0-2ubuntu3.3
- 7.58.0-2ubuntu3.5
- 7.58.0-2ubuntu3.6
- 7.58.0-2ubuntu3.7
- 7.58.0-2ubuntu3.8
- 7.58.0-2ubuntu3.9
- 7.58.0-2ubuntu3.10
- 7.58.0-2ubuntu3.12
- 7.58.0-2ubuntu3.13
- 7.58.0-2ubuntu3.14
- 7.58.0-2ubuntu3.15
- 7.58.0-2ubuntu3.16
- 7.58.0-2ubuntu3.17
- 7.58.0-2ubuntu3.18
- 7.58.0-2ubuntu3.19
- 7.58.0-2ubuntu3.20
- 7.58.0-2ubuntu3.21
- 7.58.0-2ubuntu3.22
- 7.58.0-2ubuntu3.23
- 7.58.0-2ubuntu3.24
- 7.58.0-2ubuntu3.24+esm1
- 7.58.0-2ubuntu3.24+esm2
- 7.58.0-2ubuntu3.24+esm3
- 7.58.0-2ubuntu3.24+esm4
- 7.58.0-2ubuntu3.24+esm5
- 7.58.0-2ubuntu3.24+esm7
- 7.58.0-2ubuntu3.24+esm8
- 7.58.0-2ubuntu3.24+esm9
- 7.58.0-2ubuntu3.24+esm10
- 7.58.0-2ubuntu3.24+esm11
- 7.58.0-2ubuntu3.24+esm12
- 7.58.0-2ubuntu3.24+esm14
- 7.58.0-2ubuntu3.24+esm15
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
curl Ubuntu:Pro:20.04:LTS
- Versions du logiciel
- 7.65.3-1ubuntu3
- 7.65.3-1ubuntu4
- 7.66.0-1ubuntu1
- 7.67.0-2ubuntu1
- 7.68.0-1ubuntu1
- 7.68.0-1ubuntu2
- 7.68.0-1ubuntu2.1
- 7.68.0-1ubuntu2.2
- 7.68.0-1ubuntu2.4
- 7.68.0-1ubuntu2.5
- 7.68.0-1ubuntu2.6
- 7.68.0-1ubuntu2.7
- 7.68.0-1ubuntu2.10
- 7.68.0-1ubuntu2.11
- 7.68.0-1ubuntu2.12
- 7.68.0-1ubuntu2.13
- 7.68.0-1ubuntu2.14
- 7.68.0-1ubuntu2.15
- 7.68.0-1ubuntu2.16
- 7.68.0-1ubuntu2.18
- 7.68.0-1ubuntu2.19
- 7.68.0-1ubuntu2.20
- 7.68.0-1ubuntu2.21
- 7.68.0-1ubuntu2.22
- 7.68.0-1ubuntu2.23
- 7.68.0-1ubuntu2.24
- 7.68.0-1ubuntu2.25
- 7.68.0-1ubuntu2.25+esm2
- 7.68.0-1ubuntu2.25+esm3
- 7.68.0-1ubuntu2.25+esm4
- 7.68.0-1ubuntu2.25+esm5
- 7.68.0-1ubuntu2.25+esm6
- 7.68.0-1ubuntu2.25+esm7
- 7.68.0-1ubuntu2.25+esm9
- 7.68.0-1ubuntu2.25+esm10
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
curl Ubuntu:22.04:LTS
- Versions du logiciel
- 7.74.0-1.3ubuntu2
- 7.74.0-1.3ubuntu3
- 7.80.0-3
- 7.81.0-1
- 7.81.0-1ubuntu1.1
- 7.81.0-1ubuntu1.2
- 7.81.0-1ubuntu1.3
- 7.81.0-1ubuntu1.4
- 7.81.0-1ubuntu1.6
- 7.81.0-1ubuntu1.7
- 7.81.0-1ubuntu1.8
- 7.81.0-1ubuntu1.10
- 7.81.0-1ubuntu1.11
- 7.81.0-1ubuntu1.13
- 7.81.0-1ubuntu1.14
- 7.81.0-1ubuntu1.15
- 7.81.0-1ubuntu1.16
- 7.81.0-1ubuntu1.17
- 7.81.0-1ubuntu1.18
- 7.81.0-1ubuntu1.19
- 7.81.0-1ubuntu1.20
- 7.81.0-1ubuntu1.21
- 7.81.0-1ubuntu1.22
- 7.81.0-1ubuntu1.23
- Plages de versions concernées
- ECOSYSTEM: < 7.81.0-1ubuntu1.24
Mettez à jour vers 7.81.0-1ubuntu1.24
curl Ubuntu:24.04:LTS
- Versions du logiciel
- 8.2.1-1ubuntu3
- 8.2.1-1ubuntu3.1
- 8.4.0-2ubuntu1
- 8.5.0-2ubuntu1
- 8.5.0-2ubuntu2
- 8.5.0-2ubuntu8
- 8.5.0-2ubuntu9
- 8.5.0-2ubuntu10
- 8.5.0-2ubuntu10.1
- 8.5.0-2ubuntu10.2
- 8.5.0-2ubuntu10.3
- 8.5.0-2ubuntu10.4
- 8.5.0-2ubuntu10.5
- 8.5.0-2ubuntu10.6
- 8.5.0-2ubuntu10.7
- 8.5.0-2ubuntu10.8
- Plages de versions concernées
- ECOSYSTEM: < 8.5.0-2ubuntu10.9
Mettez à jour vers 8.5.0-2ubuntu10.9
curl Ubuntu:25.10
- Versions du logiciel
- 8.12.1-3ubuntu1
- 8.13.0-5ubuntu1
- 8.14.1-1ubuntu2
- 8.14.1-1ubuntu3
- 8.14.1-2ubuntu1
- 8.14.1-2ubuntu1.1
- 8.14.1-2ubuntu1.2
- Plages de versions concernées
- ECOSYSTEM: < 8.14.1-2ubuntu1.3
Mettez à jour vers 8.14.1-2ubuntu1.3
curl Ubuntu:26.04:LTS
- Versions du logiciel
- 8.14.1-2ubuntu1
- 8.17.0-1ubuntu1
- 8.18.0-1ubuntu1
- 8.18.0-1ubuntu2
- Plages de versions concernées
- ECOSYSTEM: < 8.18.0-1ubuntu2.1
Mettez à jour vers 8.18.0-1ubuntu2.1