PatchTheCVECVE-2021-3769: # Vulnerability in `pygmalion`, `pygmalion-virtualenv` and `refined` themes **Description**: these themes use
CVE-2021-3769 is a high-severity flaw (CVSS 7.5) affecting oh my zsh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
# Vulnerability in `pygmalion`, `pygmalion-virtualenv` and `refined` themes **Description**: these themes use `print -P` on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. **Fixed in**: [b3ba9978](https://github.com/ohmyzsh/ohmyzsh/commit/b3ba9978). **Impacted areas**: - `pygmalion` theme. -
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2021-11-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-3769?
oh my zsh: upgrade to 2021-11-11. Exact commands for each OS are on this page.
Is CVE-2021-3769 being exploited?
CVE-2021-3769 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-3769 affect?
CVE-2021-3769 affects oh my zsh. Severity is high (CVSS 7.5). # Vulnerability in `pygmalion`, `pygmalion-virtualenv` and `refined` themes **Description**: these themes use `print -P` on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch
How urgent is CVE-2021-3769?
Priority 42/100. High severity
Software pages
GitHub vulnerabilities · Git vulnerabilities
Related CVEs
- CVE-2021-3934 HIGH 7.5 UPGRADE ohmyzsh is vulnerable to Improper Neutralization of Special Elements used in an OS Command
- CVE-2021-3727 HIGH 7.5 UPGRADE # Vulnerability in `rand-quote` and `hitokoto` plugins **Description**: the `rand-quote` and `hitokoto` fetch
- CVE-2021-3726 HIGH 7.5 UPGRADE # Vulnerability in `title` function **Description**: the `title` function defined in `lib/termsupport.zsh` use
- CVE-2021-3725 HIGH 7.5 UPGRADE Vulnerability in dirhistory plugin Description: the widgets that go back and forward in the directory history,