CVE-2026-18924
ADVISORY - nistSummary
A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles, can lead to use-after-free in the cleanup process.
Alpine
CREATED
UPDATED
ADVISORY IDCVE-2026-18924
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
| Package | Type | OS Name | OS Version | Affected Ranges | Fix Versions |
|---|---|---|---|---|---|
| alpine/curl | apk | alpine | 3.24 | <8.22.0-r0 | 8.22.0-r0 |
| alpine/curl | apk | alpine | edge | <8.22.0-r0 | 8.22.0-r0 |
| alpine/curl | apk | alpine | 3.22 | <=7.50.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.50.2-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.50.3-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.51.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.52.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.53.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.53.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.54.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.55.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.56.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.57.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.59.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.60.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.61.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.61.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.62.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.64.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.65.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.66.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.71.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.72.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.74.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.76.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.77.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.78.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.79.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.83.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.83.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.84.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.85.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.86.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.87.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.88.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.0.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.1.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.10.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.11.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.11.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.12.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r3 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.3.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.4.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.5.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.6.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.7.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.9.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.9.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.23 | <8.22.0-r0 | 8.22.0-r0 |
Severity and metrics
No CVSS data available from this advisory.
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-18924
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
9.1criticalDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-18924
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Ubuntu
CREATED
UPDATED
ADVISORY IDCVE-2026-18924
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AmediumChainguard
CREATED
UPDATED
ADVISORY ID
CGA-jm79-x29c-9gw6
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Photon
CREATED
UPDATED
ADVISORY ID
CVE-2026-18924
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
9.1criticalminimos
CREATED
UPDATED
ADVISORY ID
MINI-74vf-prg9-fh6c
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
minimos
CREATED
UPDATED
ADVISORY ID
MINI-7922-6q99-fj92
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-