How severe is CVE-2025-3408?

CVE-2025-3408 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-3408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3408?

CVE-2025-3408 affects Nothings Stb Image.h. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3408?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3408 have an EU (EUVD) identifier?

Yes. CVE-2025-3408 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10090.

When was CVE-2025-3408 published?

CVE-2025-3408 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-3408

CVE-2025-3408 is a medium-severity vulnerability in Nothings Stb Image.h with a CVSS 3.x base score of 6.3. 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-189.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10090
Weakness: CWE-189
Affected product: Nothings Stb Image.h
Published: 2025-04-08
Last modified: 2026-06-17

Description

A vulnerability was found in Nothings stb up to f056911. It has been rated as critical. Affected by this issue is the function stb_dupreplace. The manipulation leads to integer overflow. The attack may be launched remotely. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-3408?: A vulnerability was found in Nothings stb up to f056911. It has been rated as critical. Affected by this issue is the function stb_dupreplace. The manipulation leads to integer overflow. The attack may be launched remotely. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-3408?: CVE-2025-3408 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3408?: CVE-2025-3408 affects Nothings Stb Image.h. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3408 have an EU (EUVD) identifier?: Yes. CVE-2025-3408 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10090.
When was CVE-2025-3408 published?: CVE-2025-3408 was published on 2025-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nothings:stb_image.h:*:*:*:*:*:*:*:*

More vulnerabilities in Nothings Stb Image.h

CVE-2022-28042 — High (CVSS 8.8): stb_image.h v2.27 was discovered to contain an heap-based use-after-free via the function stbi__jpeg_huff_decode.
CVE-2019-19777 — High (CVSS 8.8): stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read…
CVE-2018-16981 — High (CVSS 8.8): stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the…
CVE-2023-45666 — High (CVSS 7.3): stb_image is a single file MIT licensed library for processing images. It may look like `stbi__load_gif_main`…
CVE-2023-45664 — High (CVSS 7.3): stb_image is a single file MIT licensed library for processing images. A crafted image file can trigger…
CVE-2021-42716 — High (CVSS 7.1): An issue was discovered in stb stb_image.h 2.27. The PNM loader incorrectly interpreted 16-bit PGM files as 8-bit when…

All CVEs affecting Nothings Stb Image.h →

Other CWE-189 (Numeric Errors) vulnerabilities

CVE-2015-8396 — Critical (CVSS 10.0): Integer overflow in the ImageRegionReader::ReadIntoBuffer function in…
CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →