CVE-2023-29935
CVE-2023-29935 is a medium-severity vulnerability in Llvm with a CVSS 3.x base score of 5.5. 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-617.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-617
- Affected product: Llvm
- Published:
- Last modified:
Description
llvm-project commit a0138390 was discovered to contain an assertion failure at !replacements.count(op) && "operation was already replaced.
Frequently asked questions
- What is CVE-2023-29935?
- llvm-project commit a0138390 was discovered to contain an assertion failure at !replacements.count(op) && "operation was already replaced.
- How severe is CVE-2023-29935?
- CVE-2023-29935 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-29935 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-29935?
- CVE-2023-29935 affects Llvm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-29935?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-29935 published?
- CVE-2023-29935 was published on 2023-05-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:llvm:llvm:2022-11-23:*:*:*:*:*:*:*
More vulnerabilities in Llvm
- CVE-2023-29942 — Medium (CVSS 5.5): llvm-project commit a0138390 was discovered to contain a segmentation fault via the component…
- CVE-2023-29941 — Medium (CVSS 5.5): llvm-project commit a0138390 was discovered to contain a segmentation fault via the component…
- CVE-2023-29939 — Medium (CVSS 5.5): llvm-project commit a0138390 was discovered to contain a segmentation fault via the component…
- CVE-2023-29934 — Medium (CVSS 5.5): llvm-project commit 6c01b5c was discovered to contain a segmentation fault via the component mlir::Type::getDialect().
- CVE-2023-29933 — Medium (CVSS 5.5): llvm-project commit bd456297 was discovered to contain a segmentation fault via the component mlir::Block::getArgument.
- CVE-2023-29932 — Medium (CVSS 5.5): llvm-project commit fdbc55a5 was discovered to contain a segmentation fault via the component…
Other CWE-617 (Reachable Assertion) vulnerabilities
- CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
- CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
- CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
- CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
- CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
- CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.