CVE-2026-8458
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
curl vulnerabilities
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Source: Debian Security Tracker · View original ↗ · DFSG
CVE-2026-8458 NameCVE-2026-8458 SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) Vulnerable and fixed packages The table below lists information on source packages. Source PackageReleaseVersionStatus curl (PTS)bullseye7.74.0-1.3+deb11u13vulnerable bullseye…
CVE-2026-8458
| Name | CVE-2026-8458 |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| curl (PTS) | bullseye | 7.74.0-1.3+deb11u13 | vulnerable |
| bullseye (security) | 7.74.0-1.3+deb11u16 | vulnerable | |
| bookworm | 7.88.1-10+deb12u14 | vulnerable | |
| bookworm (security) | 7.88.1-10+deb12u5 | vulnerable | |
| trixie | 8.14.1-2+deb13u3 | vulnerable | |
| forky | 8.20.0-5 | vulnerable | |
| sid | 8.21.0~rc3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| curl | source | (unstable) | 8.21.0~rc2-1 |
Notes
https://curl.se/docs/CVE-2026-8458.html
Introduced with: https://github.com/curl/curl/commit/97c272e5d173ad5f706443e2477f0a84f0044edd (curl-7_43_0)
Fixed by: https://github.com/curl/curl/commit/5e99b73cf441d9c369768b9cd48b5389b9a2503d (rc-8_21_0-1, curl-8_21_0)
Apply commands
Notes
https://curl.se/docs/CVE-2026-8458.htmlIntroduced with: https://github.com/curl/curl/commit/97c272e5d173ad5f706443e2477f0a84f0044edd (curl-7_43_0)Fixed by: https://github.com/curl/curl/commit/5e99b73cf441d9c369768b9cd48b5389b9a2503d (rc-8_21_0-1, curl-8_21_0)OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 8.21.0~rc2-1 |
| forky | Affected | — |
| bullseye | Affected | — |
| bookworm | Affected | — |
Ubuntu Fixed 8 releases
| Version | Status | Fixed in |
|---|---|---|
| xenial | Fixed | 7.47.0-1ubuntu2.19+esm16 |
| trusty | Fixed | 7.35.0-1ubuntu2.20+esm20 |
| resolute | Fixed | 8.18.0-1ubuntu2.2 |
| questing | Fixed | 8.14.1-2ubuntu1.4 |
| noble | Fixed | 8.5.0-2ubuntu10.10 |
| jammy | Fixed | 7.81.0-1ubuntu1.25 |
| focal | Fixed | 7.68.0-1ubuntu2.25+esm4 |
| bionic | Fixed | 7.58.0-2ubuntu3.24+esm9 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.