CVE-2021-26120
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.1.39-1 |
| debian | bullseye | fixed | 3.1.39-1 |
| debian | forky | fixed | 3.1.39-1 |
| debian | sid | fixed | 3.1.39-1 |
| debian | trixie | fixed | 3.1.39-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | smarty/smarty | <3.1.39 | 3.1.39 |
References
- https://github.com/smarty-php/smarty/security/advisories/GHSA-3rpf-5rqv-689q
- https://nvd.nist.gov/vuln/detail/CVE-2021-26120
- https://github.com/smarty-php/smarty/commit/165f1bd4d2eec328cfeaca517a725b46001de838
- https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2021-26120.yaml
- https://github.com/smarty-php/smarty
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md#3139---2021-02-17
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
- https://security.gentoo.org/glsa/202105-06
- https://srcincite.io/blog/2021/02/18/smarty-template-engine-multiple-sandbox-escape-vulnerabilities.html
- https://www.debian.org/security/2022/dsa-5151
- https://security-tracker.debian.org/tracker/CVE-2021-26120
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.