Vulnerability Details : CVE-2021-42715
An issue was discovered in stb stb_image.h 1.33 through 2.27. The HDR loader parsed truncated end-of-file RLE scanlines as an infinite sequence of zero-length runs. An attacker could potentially have caused denial of service in applications using stb_image by submitting crafted HDR files.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2021-42715
Probability of exploitation activity in the next 30 days: 0.11%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 45 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-42715
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-42715
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42715
-
https://github.com/nothings/stb/pull/1223
Fixes a crash and an infinite loop in stb_image that could occur with specially constructed PGM and HDR files by NeilBickford-NV · Pull Request #1223 · nothings/stb · GitHubThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VP2YEXEAJWI76FPM7D7VXHWD3WESQEYC/
[SECURITY] Fedora 34 Update: sdrpp-1.0.4-3.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ID6II3RIKAMVGVMC6ZAQIXXYYDMTVC4N/
[SECURITY] Fedora 35 Update: stb-0-0.7.20211022gitaf1a5bc.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TXX76TJMZBPN3NU542MGN6B7C7QHRFGB/
[SECURITY] Fedora 34 Update: usd-21.08-19.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://github.com/nothings/stb/issues/1224
In stb_image's HDR reader, loading a specially constructed invalid HDR file can result in an infinite loop within the RLE decoder · Issue #1224 · nothings/stb · GitHubIssue Tracking;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2023/01/msg00045.html
[SECURITY] [DLA 3305-1] libstb security updateMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TDGZFLBOP27LZKLH45WQLSNPSPP7S7Z/
[SECURITY] Fedora 34 Update: CuraEngine-4.11.0-2.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G2M5CRSGPRF7G3YB5CLU4FXW7ANNHAYT/
[SECURITY] Fedora 35 Update: usd-21.08-17.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AF2CNP4FVC6LDKNOO4WDCGNDYIP3MPK6/
[SECURITY] Fedora 35 Update: CuraEngine-4.11.0-2.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CI23LXPEV2GCDQTJSKO6CIILBDTI3R42/
[SECURITY] Fedora 33 Update: stb-0-0.7.20211022gitaf1a5bc.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FTZXHFZD36BGE5P6JF252NZZLKMGCY4T/
[SECURITY] Fedora 34 Update: stb-0-0.7.20211022gitaf1a5bc.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEGXBDEMTFGINETMJENBZ6SCHVEJQJSY/
[SECURITY] Fedora 35 Update: sdrpp-1.0.4-3.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
Products affected by CVE-2021-42715
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:nothings:stb_image.h:*:*:*:*:*:*:*:*