Vulnerabilities

Vulnerability · RSEC-2023-3

Memory leak vulnerability

Published Jul 18, 2023 · catalog updated May 19, 2025 · Memory leak

Open the advisory

Exploitation likelihood is not on this record for RSEC-2023-3. A missing EPSS score is not a low risk. Compare Memory leak with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Memory leak).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Not established
Affected products
CRAN jsonlite

The jsonlite R package is exposed to a vulnerability due to its use of yajl library version 2.1.0. The vulnerability originates from the yajl_tree_parse function within yajl. Attackers can exploit this flaw to cause a memory leak, which will result in out-of-memory in server and lead to a crash.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • CRAN jsonlite0.9.12 → 1.8.8

How to fix RSEC-2023-3

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for RSEC-2023-3. A missing EPSS score is not a low risk. Compare Memory leak with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0.9.12 → 1.8.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 18, 2023 · OpenSSF OSV / OSV Scanner

    Detected

    The jsonlite R package is exposed to a vulnerability due to its use of yajl library version 2.1.0. The vulnerability originates from the yajl_tree_parse function within yajl. Attackers can exploit this flaw to cause a memory leak, which will result in out-of-memory in server and lead to a crash.

  2. May 19, 2025 · OpenSSF OSV / OSV Scanner

    Fix available

    jsonlite fixed in 1.8.8

  3. May 19, 2025 · OpenSSF OSV / OSV Scanner

    Fix available

    jsonlite fixed in 1.8.8

  4. May 19, 2025 · OpenSSF OSV / OSV Scanner

    Updated

    The jsonlite R package is exposed to a vulnerability due to its use of yajl library version 2.1.0. The vulnerability originates from the yajl_tree_parse function within yajl. Attackers can exploit this flaw to cause a memory leak, which will result in out-of-memory in server and lead to a crash.

Sources

References

Freshness

Last verified in this catalog May 19, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

RSEC-2023-3: Memory leak vulnerability · ZeroDay Findings