CVE-2021-28170

Name	CVE-2021-28170
Description	In the Jakarta Expression Language implementation 3.0.3 and earlier, a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium
Debian Bugs	989259

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jakarta-el-api (PTS)	bookworm, sid, bullseye	4.0.0-2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
jakarta-el-api	source	(unstable)	(unfixed)	unimportant		989259

Notes

https://github.com/eclipse-ee4j/el-ri/issues/155
https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/
Only affects the EL reference implementation which isn't built into the binary packages