How severe is CVE-2023-30637?

CVE-2023-30637 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-30637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30637?

CVE-2023-30637 affects Baidu Braft. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-30637 published?

CVE-2023-30637 was published on 2023-04-13 and last updated on 2026-06-17.

CVE-2023-30637

CVE-2023-30637 is a high-severity vulnerability in Baidu Braft with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Baidu Braft
Published: 2023-04-13
Last modified: 2026-06-17

Description

Baidu braft 1.1.2 has a memory leak related to use of the new operator in example/atomic/atomic_server. NOTE: installations with brpc-0.14.0 and later are unaffected.

Frequently asked questions

What is CVE-2023-30637?: Baidu braft 1.1.2 has a memory leak related to use of the new operator in example/atomic/atomic_server. NOTE: installations with brpc-0.14.0 and later are unaffected.
How severe is CVE-2023-30637?: CVE-2023-30637 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-30637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30637?: CVE-2023-30637 affects Baidu Braft. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-30637 published?: CVE-2023-30637 was published on 2023-04-13 and last updated on 2026-06-17.

References

https://github.com/baidu/braft/issues/393

Affected products (1)

cpe:2.3:a:baidu:braft:1.1.2:*:*:*:*:*:*:*

Other CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities

CVE-2026-46289 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in…
CVE-2022-0742 — Critical (CVSS 9.1): Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go…
CVE-2024-25450 — High (CVSS 8.8): imlib2 v1.9.1 was discovered to mishandle memory allocation in the function init_imlib_fonts().
CVE-2023-33718 — High (CVSS 8.8): mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
CVE-2021-40633 — High (CVSS 8.8): A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of…
CVE-2021-3492 — High (CVSS 8.8): Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring…

Browse all CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities →