CVE-2019-15552 json
Use after free in libflate
published 2019-07-04 7 y ago modified 2026-06-17 4 mo ago also GHSA-rpcm-whqc-jfw8 , RUSTSEC-2019-0010 , EUVD-2021-1873
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
An issue was discovered in the libflate crate before 0.1.25 for Rust. MultiDecoder::read has a use-after-free, leading to arbitrary code execution.
Patch / fix
- crates.io libflate 0.1.25
- libflate_project libflate 0.1.25
- rust-libflate Debian 14, Debian 13, Debian 12 0.1.25-1
debian advisories DEBIAN-CVE-2019-15552
- github.com/sile/libflate@ffeff7c commit
- github.com/sile/libflate#37 pull request
Exploit prediction
2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | libflate | >=0.1.14, <0.1.25 |
0.1.25 |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
github.com
/sile/libflate/pull/37
web
-
github.com
/sile/libflate/commit/ffeff7c65deac5a6f886db2a59bcae4e420e4706
web
-
rustsec.org
/advisories/RUSTSEC-2019-0010.html
web, third-party-advisory, advisory
-
github.com
/sile/libflate/issues/35
web, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2019-15552
advisory
-
github.com
/sile/libflate
package
-
crates.io
/crates/libflate
package
Sources
- CVE List CVE-2019-15552
- GitHub Advisory GHSA-rpcm-whqc-jfw8
- NVD CVE-2019-15552
- OSV RUSTSEC-2019-0010
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.