CVE-2024-29489: jerryscript · NULL Pointer Dereference
Affects jerryscriptSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 26 Oct 2026, 12:54 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubjerryscript-project/jerryscriptpkg:github/jerryscript-project/jerryscriptOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Monitor official Jerryscript repositories and security advisories for patches or updates addressing CVE-2024-29489 and apply them promptly once available.
- Restrict local access to devices running Jerryscript to trusted users only, minimizing the risk of local exploitation.
- Implement strict input validation and sanitization on any JavaScript code or data processed by Jerryscript to prevent malformed inputs that could trigger the null pointer dereference.
- Employ runtime monitoring and watchdog mechanisms to detect and recover from crashes caused by this vulnerability, ensuring system availability.
- For critical systems, consider isolating Jerryscript execution environments or using alternative JavaScript engines with no known vulnerabilities.
- Conduct security testing and fuzzing on Jerryscript integrations to identify and mitigate similar stability issues proactively.
- Educate local users and administrators about the risk and the need to avoid executing untrusted scripts or code on affected devices.
Description
Jerryscript 2.4.0 has SEGV at ./jerry-core/ecma/base/ecma-helpers.c:238:58 in ecma_get_object_type.
References
- github.com/jerryscript-project/jerryscript/issues/5101 (opens in a new tab)
- github.com/jerryscript-project/jerryscript/pull/5129 (opens in a new tab)
- github.com/jerryscript-project/jerryscript/commit/cefd391772529c8a9531d7b3c244d78d38be47c6 (opens in a new tab)
- gist.github.com/gandalf4a/9826a897ae1e3c8d1c7e71a1ec71d415 (opens in a new tab)