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2 vulnerabilities found for RaTeX by erweixin

CVE-2026-53531 (GCVE-0-2026-53531)
Vulnerability from cvelistv5
Published
2026-08-21 21:34
Modified
2026-08-25 16:51
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-674 - Uncontrolled Recursion
Summary
RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX’s recursive-descent parser recurses one (or more) native stack frame per nesting level at `{`, `\left`, `\sqrt{`, `^{`, etc, with no maximum depth limit. A short, ~10 KB input of nested groups overflows the 8 MB main-thread stack and aborts the process. With `panic = "abort"` (`Cargo.toml:48`), and because a Rust stack overflow is always a fatal `SIGABRT` regardless of panic strategy this is an unrecoverable, whole-process denial of service reachable from a single untrusted LaTeX string. Version 0.1.11 fixes the issue.
References
Impacted products
Vendor Product Version
erweixin RaTeX Version: < 0.1.11
 Create a notification for this product.
Show details on NVD website

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CVE-2026-53530 (GCVE-0-2026-53530)
Vulnerability from cvelistv5
Published
2026-08-21 21:31
Modified
2026-08-24 20:05
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-248 - Uncaught Exception
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-1285 - Improper Validation of Specified Index, Position, or Offset in Input
Summary
RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, the public parser entrypoint `ratex_parser::parse(&str)` panics on the 9-byte input `\verbéxé` (i.e. `\verb` followed by the non-ASCII delimiter `é`). When handling a `\verb` command, the parser slices the verbatim argument with byte indices (`arg[1..arg.len() - 1]`); if the delimiter character is multibyte UTF-8, index `1` lands inside that character and Rust panics with *“byte index 1 is not a char boundary”*. Because RaTeX’s release profile sets `panic = "abort"` (`Cargo.toml:48`), the panic aborts the entire process — not just the current request/thread — making this a hard denial of service for any service that renders untrusted LaTeX. Version 0.1.11 fixes the issue.
References
Impacted products
Vendor Product Version
erweixin RaTeX Version: < 0.1.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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